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公开(公告)号:DE857048C
公开(公告)日:1952-11-27
申请号:DEB0006712
申请日:1941-03-19
Applicant: BASF AG
Inventor: DIERICHS HELMUT DR
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公开(公告)号:DE878348C
公开(公告)日:1953-06-01
申请号:DEB0006384
申请日:1942-11-21
Applicant: BASF AG
Inventor: DIERICHS HELMUT DR , BRAUN ERNST DR , DIETRICH WILHELM DR , WEBER HEINRICH DR
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