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经营范围
发明名称
Ouvrage d'art
摘要
申请公布号
FR1426297(A)
申请公布日期
1966.01.28
申请号
FR19646945388
申请日期
1964.12.09
申请人
发明人
LAVAL JOSEPH, FRANCISQUE
分类号
E01B25/24
主分类号
E01B25/24
代理机构
代理人
主权项
地址
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