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发明名称
TRANSFORMERLESS SUBSCRIBER LINE INTERFACE CIRCUIT
摘要
申请公布号
KR1019900003666(B1)
申请公布日期
1990.05.28
申请号
KR1019870010076
申请日期
1987.09.11
申请人
发明人
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主分类号
代理机构
代理人
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地址
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