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公开(公告)号：DE1619348A1
公开(公告)日：1969-05-22
申请号：DE1619348
申请日：1961-04-06
Applicant: BASF AG
Inventor： SCHOELLIG DR ALFRED , G ROESSLER KARL , KRALLMANN REINHOLD
IPC: C09B25/00
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