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经营范围
发明名称
Dérouleur-répertoire pour immeubles, administrations, etc.
摘要
申请公布号
FR789070(A)
申请公布日期
1935.10.22
申请号
FRD789070
申请日期
1934.07.12
申请人
发明人
LOUVET LEON
分类号
G09B29/06
主分类号
G09B29/06
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代理人
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