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经营范围
发明名称
Perfectionnements aux enseignes à réflexion
摘要
申请公布号
FR697266(A)
申请公布日期
1931.01.15
申请号
FRD697266
申请日期
1930.06.12
申请人
发明人
CARTER WILLIAM
分类号
G09F13/14
主分类号
G09F13/14
代理机构
代理人
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