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发明名称
PROTECTION CIRCUIT FOR WIRE TELECOMMUNICATION EQUIPMENT USING COMMERCIAL POWER SUPPLY
摘要
申请公布号
KR1019900002717(B1)
申请公布日期
1990.04.23
申请号
KR1019860005705
申请日期
1986.07.15
申请人
发明人
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主分类号
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代理人
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