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公开(公告)号：US3472827A
公开(公告)日：1969-10-14
申请号：US3472827D
申请日：1966-01-18
Applicant: SNIA VISCOSA
Inventor： PASIN ALBERTO , COPPOLA GIROLAMO , MADERNO CESANO
CPC classification number: C08J11/02 , B01J39/05 , D01F13/04 , Y02P70/629 , B01J41/04
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