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发明名称
Electrical signalling system with remote control
摘要
申请公布号
US2424582(A)
申请公布日期
1947.07.29
申请号
US19430473276
申请日期
1943.01.22
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
POULIART WILLY
分类号
H04Q9/04
主分类号
H04Q9/04
代理机构
代理人
主权项
地址
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