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经营范围
发明名称
Dispositif d'obturation a tampon.
摘要
申请公布号
FR95100(E)
申请公布日期
1970.06.19
申请号
FR19680167640
申请日期
1968.09.26
申请人
CENTRE DE RECHERCHES DE PONT A MOUSSON
发明人
分类号
F16L55/11;(IPC1-7):F16K/;F16L/
主分类号
F16L55/11
代理机构
代理人
主权项
地址
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