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公开(公告)号：US3551376A
公开(公告)日：1970-12-29
申请号：US3551376D
申请日：1968-06-13
Applicant: BAYER AG
Inventor： SEYFRIED KLAUS , TOEPSCH HANS
CPC classification number: C08L83/04 , C08G77/16 , C08L2666/44
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