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公开(公告)号：US3264719A
公开(公告)日：1966-08-09
申请号：US23795062
申请日：1962-11-15
Applicant: DUNLOP RUBBER CO
Inventor： EDWARD ADAMS GEORGE , HENRY WHALE GEORGE , ARTHUR HANSON JOHN HARRY
CPC classification number: B21K1/32 , B21H1/04 , B21K1/28 , B60B3/02 , B60B3/04 , B60B21/00 , Y10T29/49499 , Y10T29/49503
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公开(公告)号：US3270402A
公开(公告)日：1966-09-06
申请号：US32145363
申请日：1963-11-05
Applicant: DUNLOP RUBBER CO
Inventor： EDWARD ADAMS GEORGE , HENRY WHALE GEORGE , ARTHUR HANSON JOHN HARRY
IPC: B21D53/26
CPC classification number: B21D53/264 , Y10T29/49503
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