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公开(公告)号:US3387783A
公开(公告)日:1968-06-11
申请号:US50783765
申请日:1965-11-15
Applicant: BASF AG
Inventor: ROLF SCHELLENBERG , KARL-HEINZ NITZSCHKE
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公开(公告)号:CH421488A
公开(公告)日:1966-09-30
申请号:CH854663
申请日:1963-07-09
Applicant: BASF AG
Inventor: LUDWIG RAICHLE , ROLF SCHELLENBERG , BITTERMANN HERBERT DR , ERICH STRICKLE
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