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经营范围
发明名称
Electrical therapeutic apparatus
摘要
申请公布号
US1925370(A)
申请公布日期
1933.09.05
申请号
US19320609913
申请日期
1932.05.07
申请人
T. M. CHAPMAN'S SONS CO.
发明人
CHAPMAN RALPH W.
分类号
A61N1/32
主分类号
A61N1/32
代理机构
代理人
主权项
地址
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