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发明名称
OPTICAL DATA TRANSMISSION EQUIPMENT
摘要
申请公布号
JPH02180449(A)
申请公布日期
1990.07.13
申请号
JP19880334367
申请日期
1988.12.29
申请人
YOKOGAWA ELECTRIC CORP
发明人
SAITO HITOSHI
分类号
H04L12/40
主分类号
H04L12/40
代理机构
代理人
主权项
地址
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