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公开(公告)号：US3301629A
公开(公告)日：1967-01-31
申请号：US40295264
申请日：1964-10-09
Applicant: BAYER AG
Inventor： BERNHARD KRAMER , GERD HENES
CPC classification number: C09B35/00 , C09B33/00 , D06P1/12 , Y10S8/918 , Y10S534/01
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