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发明名称
FOCAL DISTANCE MEASURING DEVICE
摘要
申请公布号
JPH02234041(A)
申请公布日期
1990.09.17
申请号
JP19890054660
申请日期
1989.03.07
申请人
RICOH CO LTD
发明人
OGASAWARA TOSHIYUKI
分类号
G01M11/02
主分类号
G01M11/02
代理机构
代理人
主权项
地址
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