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公开(公告)号:CH396520A
公开(公告)日:1965-07-31
申请号:CH226762
申请日:1962-02-23
Applicant: BASF AG
Inventor: STASTNY FRITZ DR , KLAUS KOEHLING
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公开(公告)号:CH488056A
公开(公告)日:1970-03-31
申请号:CH1034368
申请日:1968-07-11
Applicant: BASF AG
Inventor: FRIEDER HOHWILLER , KLAUS KOEHLING , SCHNEIDER WALTER DR , DIETRICH KOENIG
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