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发明名称
PHOTOGRAPHIC LENS UTILIZING FLOATING
摘要
申请公布号
JPH03116008(A)
申请公布日期
1991.05.17
申请号
JP19890254097
申请日期
1989.09.29
申请人
CANON INC
发明人
HORIUCHI AKINAGA
分类号
G02B15/22
主分类号
G02B15/22
代理机构
代理人
主权项
地址
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