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发明名称
Start-stop telegraph system and apparatus
摘要
申请公布号
US1924357(A)
申请公布日期
1933.08.29
申请号
US19320608407
申请日期
1932.04.30
申请人
CREED AND COMPANY, LIMITED
发明人
GRIFFITH RONALD GEORGE
分类号
H04L17/00
主分类号
H04L17/00
代理机构
代理人
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地址
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