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发明名称
Procédé et élément de traversée de parois, particulièrement pour le passage des conducteurs électriques
摘要
申请公布号
FR1117303(A)
申请公布日期
1956.05.22
申请号
FRD1117303
申请日期
1954.12.23
申请人
发明人
VIENNOT PIERRE-GEORGES
分类号
H01B17/30
主分类号
H01B17/30
代理机构
代理人
主权项
地址
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