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公开(公告)号:US2919186A
公开(公告)日:1959-12-29
申请号:US68112046
申请日:1946-07-02
Applicant: WINEARLS COLBECK ERIC
Inventor: WINEARLS COLBECK ERIC
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公开(公告)号:US2871558A
公开(公告)日:1959-02-03
申请号:US68111946
申请日:1946-07-02
Applicant: WINEARLS COLBECK ERIC
Inventor: WINEARLS COLBECK ERIC
IPC: B21B3/00 , B23K20/233 , C22B60/02 , G21C3/10 , G21C21/16
CPC classification number: B23K20/233 , B21B3/00 , C22B60/0213 , G21C3/10 , G21C21/16 , Y02E30/40 , Y10T29/49904 , Y10T29/49991
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