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发明名称
Signal transmitter
摘要
申请公布号
US2050632(A)
申请公布日期
1936.08.11
申请号
US19340738847
申请日期
1934.08.07
申请人
THE GAMEWELL COMPANY
发明人
SMITH HARRY S.
分类号
G05G1/08
主分类号
G05G1/08
代理机构
代理人
主权项
地址
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