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发明名称
élément de couverture et couvertures en comportant application
摘要
申请公布号
FR1471180(A)
申请公布日期
1967.03.03
申请号
FR19650044296
申请日期
1965.12.30
申请人
CENTRE DE RECHERCHES DE PONT-A-MOUSSON
发明人
分类号
E04D1/08;E04D1/36
主分类号
E04D1/08
代理机构
代理人
主权项
地址
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