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发明名称
Light advertising device
摘要
申请公布号
US2134150(A)
申请公布日期
1938.10.25
申请号
US19360066479
申请日期
1936.02.29
申请人
ERIKA ANNEMARIE MULERT SOLE HEIR
发明人
SCHMIDT WILHELM
分类号
G09F13/00
主分类号
G09F13/00
代理机构
代理人
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地址
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