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经营范围
发明名称
Poutres transportables en briques ou agglomérés creux armés pour planchers ou murs
摘要
申请公布号
FR873259(A)
申请公布日期
1942.07.03
申请号
FRD873259
申请日期
1941.02.13
申请人
发明人
ALLAIRE PAUL
分类号
E04C3/22
主分类号
E04C3/22
代理机构
代理人
主权项
地址
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