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经营范围
发明名称
élément de construction
摘要
申请公布号
FR912761(A)
申请公布日期
1946.08.20
申请号
FRD912761
申请日期
1945.07.25
申请人
发明人
DROOGENBROEK FRANCOIS-JEROME VAN
分类号
E04B2/36
主分类号
E04B2/36
代理机构
代理人
主权项
地址
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