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发明名称
Perfectionnements aux dispositifs obturateurs pour conduites
摘要
申请公布号
FR73647(E)
申请公布日期
1960.09.05
申请号
FR19580766554
申请日期
1958.05.28
申请人
发明人
TAILLEFERRE HENRI
分类号
F16K1/24
主分类号
F16K1/24
代理机构
代理人
主权项
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