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发明名称
FOCUS VARYING DEVICE
摘要
申请公布号
JPH0534558(A)
申请公布日期
1993.02.12
申请号
JP19910212618
申请日期
1991.07.30
申请人
NIKON CORP
发明人
WAKABAYASHI HIROSHI;KATO MINORU
分类号
G02B7/04;G02B7/10;G02B7/105;G03B5/00
主分类号
G02B7/04
代理机构
代理人
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地址
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