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公开(公告)号：DE1942586A1
公开(公告)日：1971-03-04
申请号：DE1942586
申请日：1969-08-21
Applicant: BASF AG
Inventor： DR OPP KARL , DITTMAR HEINRICH DR , SCHULZE GERHARD DR , ZIRKER GUENTER DR , SCHMULDER PAUL DR
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