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经营范围
发明名称
Improvements in or relating to apparatus for measuring mutual conductance
摘要
申请公布号
GB620757(A)
申请公布日期
1949.03.30
申请号
GB19460008555
申请日期
1946.03.19
申请人
SANGAMO WESTON LIMITED
发明人
分类号
G01R31/25
主分类号
G01R31/25
代理机构
代理人
主权项
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