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公开(公告)号：US3477828A
公开(公告)日：1969-11-11
申请号：US55952666
申请日：1966-06-22
Applicant: BASF AG
Inventor： SCHULZE GUENTHER , HECK KARL-HEINZ
CPC classification number: B01J3/04 , B01J8/0005 , B01J8/0453 , B01J2219/185 , B01J2219/1943 , C01C1/0417 , Y02P20/52
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