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发明名称
LOOP FORM OPTICAL TRANSMISSION SYSTEM
摘要
申请公布号
JPH0377452(A)
申请公布日期
1991.04.03
申请号
JP19890213203
申请日期
1989.08.19
申请人
MITSUBISHI ELECTRIC CORP
发明人
KITAYAMA TADAYOSHI;MATSUMOTO YASUSHI;KOBAYASHI TOYOHIRO;MUKOHARA SHOJI
分类号
H04L12/42
主分类号
H04L12/42
代理机构
代理人
主权项
地址
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