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经营范围
发明名称
Perfectionnements aux éléments de construction en forme de plaques
摘要
申请公布号
FR1255517(A)
申请公布日期
1961.03.10
申请号
FR19606940107
申请日期
1960.01.29
申请人
发明人
FELBER GORDON LOUIS ISAAC;SILVER JACK
分类号
E04B1/32;E04C2/32
主分类号
E04B1/32
代理机构
代理人
主权项
地址
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