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公开(公告)号：US1830603A
公开(公告)日：1931-11-03
申请号：US21154027
申请日：1927-08-08
Applicant: MILES MFG COMPANY
Inventor： GUMPER HERMAN M
CPC classification number: B65G17/36 , B65G17/126 , B65G2201/04
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