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发明名称
Transmission system
摘要
申请公布号
US2375099(A)
申请公布日期
1945.05.01
申请号
US19410419167
申请日期
1941.11.14
申请人
AUTOMATIC ELECTRIC LABORATORIES, INC.
发明人
GIANNINI GABRIEL M.
分类号
H04M9/00
主分类号
H04M9/00
代理机构
代理人
主权项
地址
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