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发明名称
OPTICAL DEVICE
摘要
申请公布号
JPH03241310(A)
申请公布日期
1991.10.28
申请号
JP19900037388
申请日期
1990.02.20
申请人
CITIZEN WATCH CO LTD
发明人
HASHIMOTO NOBUYUKI
分类号
G02B9/00;G02B27/02;G02B27/18
主分类号
G02B9/00
代理机构
代理人
主权项
地址
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