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公开(公告)号：US2723561A
公开(公告)日：1955-11-15
申请号：US32300452
申请日：1952-11-28
Applicant: AMERICAN VISCOSE CORP
Inventor： CHAYA JOHN S , JESSE EATON
CPC classification number: G01L5/06 , B65H59/40 , B65H2402/414 , B65H2701/31 , B65H2701/38
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