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公开(公告)号：US3218728A
公开(公告)日：1965-11-23
申请号：US27108363
申请日：1963-04-08
Applicant: FMC CORP
Inventor： BARTH JOHN R , PELMULDER JOHN P , ERIK THUSE
IPC: F26B5/06
CPC classification number: F26B5/06
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