he_aqi 发表于 2009-2-4 14:54:49

ASTM F336-02腐蚀作业用非金属包封衬垫的设计和结构

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<P>ASTM F336-02腐蚀作业用非金属包封衬垫的设计和结构 </P>
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<P>Standard Practice for<BR>Design and Construction of Nonmetallic Enveloped Gaskets<BR>for Corrosive Service1</P>
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