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发明名称
摘要
申请公布号
FR2245892(B1)
申请公布日期
1979.08.03
申请号
FR19740032518
申请日期
1974.09.26
申请人
NUSSBAUM ET CO AG R
发明人
分类号
F16K3/30;(IPC1-7):F16K3/31
主分类号
F16K3/30
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