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公开(公告)号:US2795505A
公开(公告)日:1957-06-11
申请号:US30225452
申请日:1952-08-01
Applicant: BASF AG
Inventor: EMIL FINCK , GEORG HUMMEL
IPC: B22C7/02
CPC classification number: B22C7/02
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2.
公开(公告)号:US2748165A
公开(公告)日:1956-05-29
申请号:US44343554
申请日:1954-07-14
Applicant: BASF AG
Inventor: HUGO KROEPER , GEORG HUMMEL
IPC: C07C37/08
CPC classification number: C07C37/08 , C07C249/04 , C07C249/08 , C07C2601/14 , C07C39/04 , C07C251/42
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