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发明名称
摘要
申请公布号
DE2004771(A1)
申请公布日期
1971.08.12
申请号
DE19702004771
申请日期
1970.02.03
申请人
V T
发明人
分类号
F16K15/00;F16K17/00;F24F13/02;(IPC1-7):F24F13/08
主分类号
F16K15/00
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代理人
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