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公开(公告)号：US3461111A
公开(公告)日：1969-08-12
申请号：US3461111D
申请日：1967-05-26
Applicant: HOECHST AG
Inventor： HOYER ERNST , MEININGER FRITZ , NOLL WALTER
IPC: C09B62/515 , C09B45/18
CPC classification number: C09B62/515
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