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发明名称
Dispositif de jonction étanche permettant le sectionnement instantané d'une canalisation
摘要
申请公布号
FR704735(A)
申请公布日期
1931.05.26
申请号
FRD704735
申请日期
1930.10.29
申请人
ATELIERS DES MUREAUX
发明人
分类号
F16L37/58
主分类号
F16L37/58
代理机构
代理人
主权项
地址
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