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公开(公告)号：US2666952A
公开(公告)日：1954-01-26
申请号：US11820849
申请日：1949-09-28
Applicant: BARR RUBBER PRODUCTS COMPANY
Inventor： LAWSON GEORGE S , LAWSON JAMES C
CPC classification number: B29C41/04 , B29C41/34 , B29K2021/00
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公开(公告)号：US2659477A
公开(公告)日：1953-11-17
申请号：US13926450
申请日：1950-01-18
Applicant: BARR RUBBER PRODUCTS COMPANY
Inventor： LAWSON GEORGE S , LAWSON JAMES C
CPC classification number: B65G17/08 , B65G17/32 , B65G2201/06
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