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经营范围
发明名称
Improvements relating to measuring or indicating instruments
摘要
申请公布号
GB420834(A)
申请公布日期
1934.12.10
申请号
GB19330016551
申请日期
1933.06.09
申请人
JOSEPH LUCAS LIMITED;JOHN BERNARD BRATT
发明人
分类号
G01R11/10
主分类号
G01R11/10
代理机构
代理人
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