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发明名称
LINE CHANGEOVER DEVICE
摘要
申请公布号
JPH02285818(A)
申请公布日期
1990.11.26
申请号
JP19890106007
申请日期
1989.04.27
申请人
NEC CORP
发明人
MURAKAMI KOICHI
分类号
H04B1/74;H04J3/00
主分类号
H04B1/74
代理机构
代理人
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地址
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