ASTM F1909-98(2004)预成形开孔海绵橡胶桶和圆筒垫片技术规范
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<P>ASTM F1909-98(2004)预成形开孔海绵橡胶桶和圆筒垫片技术规范 </P>
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<P>Standard Specification for<BR>Preformed Open–Cell Sponge Rubber Pail and Drum<BR>Gaskets1</P>
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