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发明名称
Electrical signaling system
摘要
申请公布号
US2498899(A)
申请公布日期
1950.02.28
申请号
US19450612934
申请日期
1945.08.27
申请人
AUTOMATIC ELECTRIC LABORATORIES INC.
发明人
SAVILLE WILLIE;ROSEBY PHILIP NORTON
分类号
H02J13/00
主分类号
H02J13/00
代理机构
代理人
主权项
地址
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