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发明名称
CONDUIT EN BETON
摘要
申请公布号
FR2634856(B1)
申请公布日期
1991.02.01
申请号
FR19880009268
申请日期
1988.07.05
申请人
CENTRIBETON
发明人
JEAN-JACQUES VICTOR FRANCOIS RENAUD
分类号
F16L9/08;(IPC1-7):F16L9/08;E03F3/04
主分类号
F16L9/08
代理机构
代理人
主权项
地址
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