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发明名称
VARIABLE FREQUENCY ELECTRIC SIGNAL GENERATOR, AUTOMATIC CONTROL AND LOW COST COMPUTING MEANS
摘要
申请公布号
KR20020086873(A)
申请公布日期
2002.11.20
申请号
KR1020027008253
申请日期
2002.06.24
申请人
发明人
分类号
H02M3/137
主分类号
H02M3/137
代理机构
代理人
主权项
地址
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