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发明名称
Electric current converter for radio or other apparatus
摘要
申请公布号
US1935568(A)
申请公布日期
1933.11.14
申请号
US19300423589
申请日期
1930.01.27
申请人
UTAH RADIO PRODUCTS COMPANY
发明人
KEOGH RAYMOND J.
分类号
H02M3/40
主分类号
H02M3/40
代理机构
代理人
主权项
地址
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