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公开(公告)号：US1766737A
公开(公告)日：1930-06-24
申请号：US29580828
申请日：1928-07-27
Applicant: WICKWIRE SPENCER STEEL COMPANY
Inventor： WOODMAN FRANCIS N
CPC classification number: B65G15/54 , B65G15/48 , B65G2201/04
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公开(公告)号：US1756598A
公开(公告)日：1930-04-29
申请号：US36768129
申请日：1929-06-01
Applicant: WICKWIRE SPENCER STEEL COMPANY
Inventor： KING VERNON C
CPC classification number: B65G15/54 , B65G17/42 , B65G2201/02
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公开(公告)号：US1749932A
公开(公告)日：1930-03-11
申请号：US29580928
申请日：1928-07-27
Applicant: WICKWIRE SPENCER STEEL COMPANY
Inventor： WOODMAN FRANCIS N
IPC: B65G15/54
CPC classification number: B65G15/54 , B65G2201/06
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