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经营范围
发明名称
OPTICAL CIRCULATOR
摘要
申请公布号
JPH11258549(A)
申请公布日期
1999.09.24
申请号
JP19980061286
申请日期
1998.03.12
申请人
TOKIN CORP
发明人
SATO TADAKUNI
分类号
G02F1/09;G02B27/28;(IPC1-7):G02B27/28
主分类号
G02F1/09
代理机构
代理人
主权项
地址
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