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公开(公告)号：CH511320A
公开(公告)日：1971-04-30
申请号：CH1143169
申请日：1969-07-25
Applicant: BASF AG
Inventor： WIDDER RUDI DR , DISTLER HARRY DR , ERWIN HAUG
IPC: D06M11/05 , D06M13/256 , D06M3/06 , D06M13/46 , D06M13/54
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