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发明名称
Optical subscriber line monitoring equipment using optical switch
摘要
申请公布号
KR20090008085(U)
申请公布日期
2009.08.07
申请号
KR20080001685U
申请日期
2008.02.04
申请人
发明人
分类号
H04B10/07;H04B10/00;H04B17/00
主分类号
H04B10/07
代理机构
代理人
主权项
地址
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