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公开(公告)号：DE1119306B
公开(公告)日：1961-12-14
申请号：DEB0060310
申请日：1960-12-01
Applicant: BASF AG
Inventor： WITTMANN DIPL-ING ERNST , WINCK OTTO , KOEHLER OSKAR
IPC: F17C13/12
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