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经营范围
发明名称
OPTICAL ISOLATOR
摘要
申请公布号
JPH02238428(A)
申请公布日期
1990.09.20
申请号
JP19890057754
申请日期
1989.03.13
申请人
HITACHI LTD
发明人
SUGAWARA HIROYUKI;AKATSU TOSHIO;MIYAZAKI CHUICHI
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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