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发明名称
Radiocalendar
摘要
申请公布号
US1760069(A)
申请公布日期
1930.05.27
申请号
US19290394995
申请日期
1929.09.25
申请人
KENNEDY JAMES P
发明人
KENNEDY JAMES P.
分类号
B42D5/04
主分类号
B42D5/04
代理机构
代理人
主权项
地址
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