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经营范围
发明名称
FRESNEL LENS
摘要
申请公布号
JPH08220309(A)
申请公布日期
1996.08.30
申请号
JP19950023781
申请日期
1995.02.13
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
MASUMORI TADAAKI;SAKAI SHIGENOBU
分类号
G02B3/08;(IPC1-7):G02B3/08
主分类号
G02B3/08
代理机构
代理人
主权项
地址
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