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经营范围
发明名称
Constant-voltage generator
摘要
申请公布号
US1783745(A)
申请公布日期
1930.12.02
申请号
US19270190562
申请日期
1927.05.11
申请人
MONAR FRED B
发明人
MONAR FRED B.
分类号
H02K23/12
主分类号
H02K23/12
代理机构
代理人
主权项
地址
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