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发明名称
OPTICAL SYSTEM WITH VARIABLE POWER FINDER
摘要
申请公布号
JPH04245236(A)
申请公布日期
1992.09.01
申请号
JP19910029400
申请日期
1991.01.30
申请人
CANON INC
发明人
KOYAMA TAKASHI;IKEMORI KEIJI
分类号
G03B13/12
主分类号
G03B13/12
代理机构
代理人
主权项
地址
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