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经营范围
发明名称
Electric marking
摘要
申请公布号
US2606807(A)
申请公布日期
1952.08.12
申请号
US19480063448
申请日期
1948.12.03
申请人
RADIO CORPORATION OF AMERICA
发明人
PESSEL LEOPOLD
分类号
B41M5/20
主分类号
B41M5/20
代理机构
代理人
主权项
地址
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