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发明名称
OPTICAL CIRCULATOR
摘要
申请公布号
JPH05134212(A)
申请公布日期
1993.05.28
申请号
JP19910299286
申请日期
1991.11.14
申请人
TOKIN CORP
发明人
YAMADA KAZUO
分类号
G02B27/28
主分类号
G02B27/28
代理机构
代理人
主权项
地址
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