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公开(公告)号：US3269898A
公开(公告)日：1966-08-30
申请号：US21850762
申请日：1962-08-22
Applicant: BAYER AG
Inventor： KLAUS LANGHEINRICH , HERBERT KLESPER , JOSEF HILGER , FRIEDRICH MUTH
IPC: D06M16/00
CPC classification number: D06M16/00
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