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公开(公告)号：US3301799A
公开(公告)日：1967-01-31
申请号：US31568063
申请日：1963-10-11
Applicant: US RUBBER CO
Inventor： ROTBBERG HENRY M , FOSTER FREDERICK J
IPC: C04B28/02
CPC classification number: C04B28/02 , C04B2111/00482 , Y10S528/935 , C04B14/022 , C04B24/26 , C04B24/383
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