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发明名称
SYMMETRICAL FOUR-COMPONENT PHOTOCOPYING LENS SYSTEM
摘要
申请公布号
US3609013(A)
申请公布日期
1971.09.28
申请号
USD3609013
申请日期
1970.03.26
申请人
RICOH:KK.
发明人
MOTOAKI KAWAZU
分类号
G02B13/24;(IPC1-7):G02B9/58
主分类号
G02B13/24
代理机构
代理人
主权项
地址
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