计量论坛

 找回密码
 立即注册

QQ登录

只需一步,快速开始

搜索
收藏本版 |订阅

JB机械 今日: 0|主题: 7287|排名: 138 

作者 回复/查看 最后发表
JB 5808-1991 ZFB 92、93型船用交流发电机过载逆功率保护装置 attachment zcyjkl 2008-8-20 02201 zcyjkl 2008-8-20 07:32
JB/T 5791-1991船用组合开关 attachment zcyjkl 2008-8-20 02219 zcyjkl 2008-8-20 07:31
JB/T 5792-1991 船用交流起锚机自动系泊绞车控制箱 attachment zcyjkl 2008-8-20 01943 zcyjkl 2008-8-20 07:31
JB/T 5793-1991 船用同步发电机电压调节装置技术条件 attachment zcyjkl 2008-8-20 02036 zcyjkl 2008-8-20 07:30
JB/T 5794-1991 甲板机械用船用电动机通用技术条件 attachment zcyjkl 2008-8-20 01790 zcyjkl 2008-8-20 07:29
JB/T 5795-1991 船用交流起货绞车控制箱 attachment zcyjkl 2008-8-20 02065 zcyjkl 2008-8-20 07:28
JB/T 5797-1991 一般用途船用三相异步电动机技术条件 attachment zcyjkl 2008-8-20 02089 zcyjkl 2008-8-20 07:28
JB 1742-91 调整垫 attachment zcyjkl 2008-8-20 01834 zcyjkl 2008-8-20 07:27
JB 1747-91 填料压环 attachment zcyjkl 2008-8-20 01878 zcyjkl 2008-8-20 07:26
JB 1749-91氨阀阀瓣 attachment zcyjkl 2008-8-20 01846 zcyjkl 2008-8-20 07:22
JB 1753-91 接头垫 attachment zcyjkl 2008-8-20 01811 zcyjkl 2008-8-20 07:22
JB 1754-91 接头 attachment zcyjkl 2008-8-20 01740 zcyjkl 2008-8-20 07:21
JB 1755-91 接头螺母 attachment zcyjkl 2008-8-20 01560 zcyjkl 2008-8-20 07:21
JB 1757-91 卡套 attachment zcyjkl 2008-8-20 01852 zcyjkl 2008-8-20 07:20
JB 1758-91 卡套螺母 attachment zcyjkl 2008-8-20 01662 zcyjkl 2008-8-20 07:19
JB 1759-91 轴套 attachment zcyjkl 2008-8-20 01664 zcyjkl 2008-8-20 07:19
JB 1760-91 六角螺塞 attachment zcyjkl 2008-8-20 01918 zcyjkl 2008-8-20 07:18
JB 1761-91 螺塞垫 attachment zcyjkl 2008-8-20 01713 zcyjkl 2008-8-20 07:18
JB 5206.1-91 填料压套(一) attachment zcyjkl 2008-8-20 01747 zcyjkl 2008-8-20 07:17
JB 5206.2-91填料压套(二) attachment zcyjkl 2008-8-20 01838 zcyjkl 2008-8-20 07:17
JB 5209-91 塑料填料 attachment zcyjkl 2008-8-20 02131 zcyjkl 2008-8-20 06:54
JB 5210-91上密封座 attachment zcyjkl 2008-8-20 01887 zcyjkl 2008-8-20 06:53
JB 5211-91 闸阀阀座 attachment zcyjkl 2008-8-20 01655 zcyjkl 2008-8-20 06:52
JB 93-91 手柄 attachment zcyjkl 2008-8-20 01890 zcyjkl 2008-8-20 06:52
JB 1702.1-91 轴承压盖(一) attachment zcyjkl 2008-8-20 01711 zcyjkl 2008-8-20 06:39
JB 1702.2-91 轴承压盖(二) attachment zcyjkl 2008-8-20 01588 zcyjkl 2008-8-20 06:39
JB 1703-91衬套 attachment zcyjkl 2008-8-20 01602 zcyjkl 2008-8-20 06:38
JB 1706-91 压套螺母 attachment zcyjkl 2008-8-20 01588 zcyjkl 2008-8-20 06:37
JB 1708-91 填料压盖 attachment zcyjkl 2008-8-20 01979 zcyjkl 2008-8-20 06:37
JB 1709-91 T型螺栓 attachment zcyjkl 2008-8-20 01687 zcyjkl 2008-8-20 06:36
JB 1712-91 石棉填料 attachment zcyjkl 2008-8-20 02051 zcyjkl 2008-8-20 06:36
JB 1713-91 填料垫(一) attachment zcyjkl 2008-8-20 01841 zcyjkl 2008-8-20 06:35
JB 1716-91 填料垫(二) attachment zcyjkl 2008-8-20 01849 zcyjkl 2008-8-20 06:34
JB 1718-91 垫片(一) attachment zcyjkl 2008-8-20 01638 zcyjkl 2008-8-20 06:34
JB 1719-91 垫片(二) attachment zcyjkl 2008-8-20 01719 zcyjkl 2008-8-20 06:33
JB 1720-91 垫片(三) attachment zcyjkl 2008-8-20 01676 zcyjkl 2008-8-20 06:32
JB 1721-91 垫片(四) attachment zcyjkl 2008-8-20 01729 zcyjkl 2008-8-20 06:32
JB 1726-91 阀瓣盖 attachment zcyjkl 2008-8-20 01703 zcyjkl 2008-8-20 06:31
JB 1727-91 对开圆环 attachment zcyjkl 2008-8-20 01612 zcyjkl 2008-8-20 06:31
JB 1728-91 止退垫圈 attachment zcyjkl 2008-8-20 01868 zcyjkl 2008-8-20 06:30
JB 1735-91 底阀阀瓣密封圈 attachment zcyjkl 2008-8-20 02105 zcyjkl 2008-8-20 06:29
JB 1736-91 旋启式止回阀阀瓣密封圈 attachment zcyjkl 2008-8-20 01845 zcyjkl 2008-8-20 06:29
JB 1737-91 旋启式止回阀阀瓣密封圈压板 attachment zcyjkl 2008-8-20 02014 zcyjkl 2008-8-20 06:28
JB 1741-91 顶心 attachment zcyjkl 2008-8-20 01571 zcyjkl 2008-8-20 06:28
JB/T 5147-1991 热水型暖风机 型式与基本参数 attachment zcyjkl 2008-8-20 01850 zcyjkl 2008-8-20 06:22
JB/T 5148-1991 变风量末端装置 试验方法 attachment zcyjkl 2008-8-20 01709 zcyjkl 2008-8-20 06:21
JB/T 5151-1991 空调通风用空气—空气热回收装置型式 attachment zcyjkl 2008-8-20 01493 zcyjkl 2008-8-20 06:20
JB/T 5152-91 厢式压滤机和板框压滤机 型式与基本参数 attachment zcyjkl 2008-8-20 02028 zcyjkl 2008-8-20 06:20
JB/T 5296-1991 通用阀门 流量系数和流阻系数的试验方法 attachment zcyjkl 2008-8-20 01909 zcyjkl 2008-8-20 06:19
JB/T 5298-1991 管线用钢制平板闸阀 attachment zcyjkl 2008-8-20 01982 zcyjkl 2008-8-20 06:18
下一页 »

快速发帖

还可输入 80 个字符
您需要登录后才可以发帖 登录 | 立即注册

本版积分规则

小黑屋|手机版|Archiver|计量论坛 ( 闽ICP备06005787号-1—304所 )
电话:0592-5613810 QQ:473647 微信:gfjlbbs闽公网安备 35020602000072号

GMT+8, 2024-5-28 01:23

Powered by Discuz! X3.4

Copyright © 2001-2023, Tencent Cloud.

返回顶部 返回版块