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公开(公告)号：US1865310A
公开(公告)日：1932-06-28
申请号：US48944130
申请日：1930-10-17
Applicant: FINNEY DAVID P
Inventor： FINNEY DAVID P
CPC classification number: B65G15/34 , B65G15/38 , B65G2201/06 , Y10T428/24248 , Y10T428/2495
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