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公开(公告)号：US2615556A
公开(公告)日：1952-10-28
申请号：US61556445
申请日：1945-09-11
Applicant: SELAS CORP OF AMERICA
Inventor： HOOPES PENROSE R , FROELICH GUNNAR C
CPC classification number: B65G47/1428 , B65G47/24
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