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公开(公告)号：US1371963A
公开(公告)日：1921-03-15
申请号：US35509620
申请日：1920-01-30
Applicant: WALTON WILLIAMS JOSEPH
Inventor： WALTON WILLIAMS JOSEPH
IPC: B65G67/00
CPC classification number: B65G67/00 , B65G2814/0389
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公开(公告)号：US1332090A
公开(公告)日：1920-02-24
申请号：US28382919
申请日：1919-03-20
Applicant: WALTON WILLIAMS JOSEPH
Inventor： WALTON WILLIAMS JOSEPH
IPC: B65G17/42
CPC classification number: B65G17/42 , B65G2201/04
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