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公开(公告)号：US1068969A
公开(公告)日：1913-07-29
申请号：US1912670446
申请日：1912-01-10
Applicant: BASF AG
Inventor： BOSCH CARL , MITTASCH ALWIN , WOLF HANS , STERN GEORG
CPC classification number: B01J21/18
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