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发明名称
MEANS FOR IMPROVING FOCUS CHARACTERISTIC
摘要
申请公布号
JPH0690375(A)
申请公布日期
1994.03.29
申请号
JP19920239245
申请日期
1992.09.08
申请人
HITACHI LTD;HITACHI GAZOU JOHO SYST:KK
发明人
TSURITANI TSUTOMU;TANAKA SHIGEYA
分类号
H04N3/26;(IPC1-7):H04N3/26
主分类号
H04N3/26
代理机构
代理人
主权项
地址
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