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公开(公告)号：US3458804A
公开(公告)日：1969-07-29
申请号：US3458804D
申请日：1966-04-11
Applicant: BAYER AG
Inventor： WOLF KARLHEINZ , HAUS ARTHUR , MAGER THEODOR , HORNLE REINHOLD , BECHLARS FRANZ
CPC classification number: C09B67/006 , C09B67/0092
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