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发明名称
CORRECTING LENS
摘要
申请公布号
US3628850(A)
申请公布日期
1971.12.21
申请号
USD3628850
申请日期
1970.02.24
申请人
HITACHI LTD.
发明人
EIICHI YAMAZAKI;KOOICHI MARUYAMA;IWAO OGURA
分类号
G02B3/08;H01J9/227;(IPC1-7):G02B3/00
主分类号
G02B3/08
代理机构
代理人
主权项
地址
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