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经营范围
发明名称
Improvements in or relating to electrical control systems
摘要
申请公布号
GB552118(A)
申请公布日期
1943.03.24
申请号
GB19410007700
申请日期
1941.06.18
申请人
JOHN G. MURDOCH & COMPANY LIMITED;BRYAN JAMES HENDERSON
发明人
分类号
G08B5/22
主分类号
G08B5/22
代理机构
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