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1.发明授权
公开(公告)号：US2866762A
公开(公告)日：1958-12-30
申请号：US44874654
申请日：1954-08-09
Applicant: BAYER AG
Inventor： FRANZKARL BROCHHAGEN , BEZIRK KOLN ODENTHAL , MULLER KARL E
CPC classification number: C08G18/1825 , C08G18/18 , C08G18/6648 , C08G2101/0008 , C08G2101/0083
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