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公开(公告)号：US3370065A
公开(公告)日：1968-02-20
申请号：US58090966
申请日：1966-09-21
Applicant: BASF AG
Inventor： EBERHARD NOLD , RUDOLF POLSTER
IPC: C09B67/16
CPC classification number: C09B67/0019
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