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发明名称
Telegraph transmitter
摘要
申请公布号
US1985640(A)
申请公布日期
1934.12.25
申请号
US19340713096
申请日期
1934.02.27
申请人
KITCHENS JENNINGS B
发明人
KITCHENS JENNINGS B.
分类号
H04L17/02;H04L17/06
主分类号
H04L17/02
代理机构
代理人
主权项
地址
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