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经营范围
发明名称
Photoelectric transmitter
摘要
申请公布号
US2274737(A)
申请公布日期
1942.03.03
申请号
US19370180716
申请日期
1937.12.20
申请人
TELETYPE CORPORATION
发明人
POTTS LOUIS M.
分类号
A61M1/02;H04L13/06;H04L17/14;H04L25/04
主分类号
A61M1/02
代理机构
代理人
主权项
地址
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