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经营范围
发明名称
Metallic vapor electrical discharge device
摘要
申请公布号
US1957255(A)
申请公布日期
1934.05.01
申请号
US19290365040
申请日期
1929.05.22
申请人
PAUL FREEDMAN
发明人
FREEDMAN PAUL
分类号
A61N5/06
主分类号
A61N5/06
代理机构
代理人
主权项
地址
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