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发明名称
Electrocardiograph apparatus
摘要
申请公布号
US2098695(A)
申请公布日期
1937.11.09
申请号
US19340751753
申请日期
1934.11.06
申请人
SOUTHWICK LAURENCE F
发明人
SOUTHWICK LAURENCE F.
分类号
G01R13/28
主分类号
G01R13/28
代理机构
代理人
主权项
地址
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