ASTM F1909-98(2004)預成形開孔海綿橡膠桶和圓筒墊片技術規范
Standard Specification for
Preformed Open–Cell Sponge Rubber Pail and Drum
Gaskets1
ASTM F1909-98(2004)預成形開孔海綿橡膠桶和圓筒墊片技術規范 .pdf
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