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公开(公告)号：US2534340A
公开(公告)日：1950-12-19
申请号：US76832647
申请日：1947-08-13
Applicant: AMERICAN VISCOSE CORP
Inventor： CHAYA JOHN S , SPANN MARIAN L
CPC classification number: D01D10/0418 , D02H3/00
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