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发明名称
摘要
申请公布号
DE2034185(A1)
申请公布日期
1971.01.28
申请号
DE19702034185
申请日期
1970.07.09
申请人
发明人
分类号
F16L23/02;F16L23/028;F16L23/12;F16L58/10;(IPC1-7):F16L23/00
主分类号
F16L23/02
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