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公开(公告)号：US3220869A
公开(公告)日：1965-11-30
申请号：US6954060
申请日：1960-11-16
Applicant: BASF AG
Inventor： WILHELM RUEMENS , NORBERT GOETZ , ROLF ZEIDLER , HERBERT TULO
IPC: D06M15/29 , D06M15/39 , D06M15/423 , D06Q1/08
CPC classification number: D06M15/39 , D06M15/29 , D06M15/423 , D06Q1/08 , Y10T442/2393 , Y10T442/273
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