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经营范围
发明名称
Improvements in electric receiving or switching devices for remote control installations
摘要
申请公布号
GB637415(A)
申请公布日期
1950.05.17
申请号
GB19470031961
申请日期
1947.12.03
申请人
LANDIS & GYR S.A.
发明人
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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