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公开(公告)号：US2904579A
公开(公告)日：1959-09-15
申请号：US57189756
申请日：1956-03-16
Applicant: SNIA VISCOSA
Inventor： WERNER MUENCH , ENZO RUOTI , CESANO MADERNO , GIULIANA SILVESTRI
IPC: C07C255/49
CPC classification number: C07C255/49
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