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发明名称
Transmission system
摘要
申请公布号
US1937108(A)
申请公布日期
1933.11.28
申请号
US19200421251
申请日期
1920.11.02
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
CLEMENT LEWIS M.
分类号
H04B1/48
主分类号
H04B1/48
代理机构
代理人
主权项
地址
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