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发明名称
DISPOSITIF DE GUIDAGE ET DE PROTECTION POUR LA POSE DE CANALISATIONS
摘要
申请公布号
FR2602568(B1)
申请公布日期
1988.12.02
申请号
FR19860011382
申请日期
1986.08.06
申请人
GAZ DE FRANCE
发明人
ROLAND ANNE
分类号
F16L1/00;F16L7/00;F16L7/02;F16L55/165;(IPC1-7):F16L7/00
主分类号
F16L1/00
代理机构
代理人
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