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发明名称
摘要
申请公布号
DE2157192(A1)
申请公布日期
1972.07.06
申请号
DE19712157192
申请日期
1971.11.18
申请人
VON ROLL AG
发明人
分类号
F16B7/04;F16L21/00;F16L23/08;F16L33/04;(IPC1-7):F16L21/06
主分类号
F16B7/04
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