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发明名称
Improvements in or relating to electro-cardiographs and to the production of electro-cardiograms
摘要
申请公布号
GB488465(A)
申请公布日期
1938.07.07
申请号
GB19370029256
申请日期
1937.10.26
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
A61B5/04;G01R13/04
主分类号
A61B5/04
代理机构
代理人
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地址
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