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发明名称
Improvements in or relating to electric control circuits
摘要
申请公布号
GB650894(A)
申请公布日期
1951.03.07
申请号
GB19480009850
申请日期
1948.04.08
申请人
THE MINISTER OF SUPPLY
发明人
LLEWELYN ARTHUR IVOR
分类号
G05D3/14
主分类号
G05D3/14
代理机构
代理人
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地址
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