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经营范围
发明名称
Improvements in or relating to electrical instruments
摘要
申请公布号
GB563337(A)
申请公布日期
1944.08.09
申请号
GB19430006524
申请日期
1943.04.22
申请人
SANGAMO WESTON LIMITED
发明人
分类号
G01R11/02
主分类号
G01R11/02
代理机构
代理人
主权项
地址
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