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经营范围
发明名称
élément et procédé de construction de voûtes ogivales
摘要
申请公布号
FR1045291(A)
申请公布日期
1953.11.25
申请号
FRD1045291
申请日期
1951.11.20
申请人
发明人
JOUVIN CHARLES-ERNEST;GRAZIANI CHARLES
分类号
E04B7/08
主分类号
E04B7/08
代理机构
代理人
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地址
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