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公开(公告)号：US1045234A
公开(公告)日：1912-11-26
申请号：US1907355611
申请日：1907-02-04
Applicant: FEATHERWEIGHT RUBBER SPONGE COMPANY
Inventor： WILLIS GLENN H , FELIX BENJAMIN F
CPC classification number: B29C44/50 , B29K2075/00 , Y10S264/04 , Y10S264/15 , Y10S264/70 , Y10S521/918 , Y10T152/10405
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