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公开(公告)号:US3311443A
公开(公告)日:1967-03-28
申请号:US41922164
申请日:1964-12-17
Applicant: BASF AG
Inventor: HANS BAUMANN , WILHELM FEDERKIEL , PETER RICHTER
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2.
公开(公告)号:CH419047A
公开(公告)日:1967-02-28
申请号:CH1624064
申请日:1964-12-16
Applicant: BASF AG
Inventor: BAUMANN HANS DR , WILHELM FEDERKIEL , PETER RICHTER
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