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发明名称
OPTICAL MULTI-LOOP COMMUNICATION SYSTEM
摘要
申请公布号
JPS6418335(A)
申请公布日期
1989.01.23
申请号
JP19870173851
申请日期
1987.07.14
申请人
OKI ELECTRIC IND CO LTD
发明人
SAKIDA YASUHIKO
分类号
H04Q3/52
主分类号
H04Q3/52
代理机构
代理人
主权项
地址
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