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1.发明专利
公开(公告)号：JPS56120701A
公开(公告)日：1981-09-22
申请号：JP17962780
申请日：1980-12-18
Applicant: SNIA VISCOSA
Inventor： ARUBERUTO BARUDEINII , ROBERUTO REONII , ANJIERO KARONII , JIYANFURANKO ANJIERINII
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