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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
GB591366(A)
申请公布日期
1947.08.15
申请号
GB19450007900
申请日期
1945.03.29
申请人
PETER RICHARD BENFORD
发明人
分类号
A63H19/24
主分类号
A63H19/24
代理机构
代理人
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