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发明名称
Improvements in or relating to electrical indicating devices
摘要
申请公布号
GB647651(A)
申请公布日期
1950.12.20
申请号
GB19470029079
申请日期
1947.10.31
申请人
S. SMITH & SONS (ENGLAND) LIMITED
发明人
MOSS ERIC BEECROFT;COOPER CHARLES WILLIAM
分类号
G08C19/06
主分类号
G08C19/06
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代理人
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