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发明名称
VOLTAGE-FREQUENCY CONVERTER
摘要
申请公布号
PL131851(B1)
申请公布日期
1985.01.31
申请号
PL19800223320
申请日期
1980.04.08
申请人
发明人
分类号
H03K
主分类号
H03K
代理机构
代理人
主权项
地址
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