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发明名称
élément de maçonnerie
摘要
申请公布号
FR1041448(A)
申请公布日期
1953.10.23
申请号
FRD1041448
申请日期
1951.08.31
申请人
发明人
JOUVIN CHARLES
分类号
E04B2/02;E04B2/16
主分类号
E04B2/02
代理机构
代理人
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