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发明名称
Improvements relating to apparatus for indicating or recording small electric potentials
摘要
申请公布号
GB333682(A)
申请公布日期
1930.08.21
申请号
GB19290018801
申请日期
1929.06.19
申请人
EDGAR WALFORD MARCHANT;JAMES KENT BURKITT;ARTHUR HENRY LANGLEY
发明人
分类号
A61B5/0432
主分类号
A61B5/0432
代理机构
代理人
主权项
地址
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