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公开(公告)号：US3385048A
公开(公告)日：1968-05-28
申请号：US52663066
申请日：1966-02-10
Applicant: SNIA VISCOSA
Inventor： MANFREDINI GIACOBONE EMILIA , DOMENICO NICITA
IPC: D02J1/08
CPC classification number: D02J1/08 , Y10S57/908 , Y10T428/2976
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