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发明名称
MASKING DEVICE FOR SPECTACLE FRAME
摘要
申请公布号
JPH0282214(A)
申请公布日期
1990.03.22
申请号
JP19880235567
申请日期
1988.09.20
申请人
NIKON CORP
发明人
TATENO SUMIO;OSHITA TOSHINAKA
分类号
G02C5/00;G02C11/00;G02C13/00
主分类号
G02C5/00
代理机构
代理人
主权项
地址
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