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公开(公告)号：DE1939923A1
公开(公告)日：1970-05-06
申请号：DE1939923
申请日：1969-08-06
Applicant: BASF AG
Inventor： LUDWIG BEER DR , HANS-GEORG MATTHIES DR , HUGO STREHLER DR
IPC: C08G63/86 , C08G17/015
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