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公开(公告)号：US2753983A
公开(公告)日：1956-07-10
申请号：US49033355
申请日：1955-02-24
Applicant: G R TURNER LTD
Inventor： GEORGE BLOOMER ALFRED
IPC: B65G17/06
CPC classification number: B65G17/066 , B65G2201/06
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