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公开(公告)号:DE1720300A1
公开(公告)日:1972-04-13
申请号:DE1720300
申请日:1967-09-02
Applicant: BASF AG
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公开(公告)号:CH445877A
公开(公告)日:1967-10-31
申请号:CH30567
申请日:1967-01-10
Applicant: BASF AG
Inventor: MEIER ADOLF DR , LUDWIG RAICHLE , KLINGENSPOR HELMUT DR
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