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经营范围
发明名称
Matériau de construction et toiture réalisée au moyen de ce matériau
摘要
申请公布号
FR773518(A)
申请公布日期
1934.11.21
申请号
FRD773518
申请日期
1934.05.22
申请人
S. A. CIMENTS PORTLAND ARTIFICIELS BELGES D'HARMIGNIES
发明人
分类号
E04D3/26;E04D3/32
主分类号
E04D3/26
代理机构
代理人
主权项
地址
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