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公开(公告)号：US2580566A
公开(公告)日：1952-01-01
申请号：US4792848
申请日：1948-09-04
Applicant: AMERICAN VISCOSE CORP
Inventor： RICHARD MACHENRY , MARTIN CHARLES A
CPC classification number: B29C51/004 , B29C51/08 , B29C51/18
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