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发明名称
DOPPELROHRKREUZUNG
摘要
申请公布号
DE2911274(A1)
申请公布日期
1980.09.25
申请号
DE19792911274
申请日期
1979.03.20
申请人
MANNESMANN AG
发明人
UNEWISSE,HEINZ;FOERING,HERBERT
分类号
F16L41/00;F24D3/10;(IPC1-7):F16L41/00
主分类号
F16L41/00
代理机构
代理人
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地址
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