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[国外标准] ASTM D 1667-97 Standard Specification for Flexible Cellular Materials—Vinyl Chloride Polymers and Copolymers (Closed-Cell Foam)

mancinic

P:2009-12-09 10:36:10

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大家努力的下吧

ASTM D 1667-97 Standard Specification for Flexible Cellular Materials—Vinyl Chloride Polymers and Copolymers (Closed-Cell Foam).pdf

planetary gear extruder - 行星齿轮式挤出机 （0） 投诉

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