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发明名称
摘要
申请公布号
JPS6049887(B2)
申请公布日期
1985.11.05
申请号
JP19790002033
申请日期
1979.01.09
申请人
NIPPON TELEGRAPH & TELEPHONE
发明人
IWASAKI YUTAKA;TORII YASUHIRO;IWAMURA HIDETOSHI
分类号
G02B5/30;G02B27/28;G02F1/09
主分类号
G02B5/30
代理机构
代理人
主权项
地址
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