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公开(公告)号：US1525870A
公开(公告)日：1925-02-10
申请号：US66753623
申请日：1923-10-09
Applicant: LEE CLARENCE P
Inventor： LEE CLARENCE P
CPC classification number: B65G47/57 , B65G17/18 , B65G2201/02 , B65G2201/025
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