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经营范围
发明名称
WIDE ANGLE OBJECTIVE
摘要
申请公布号
US3498698(A)
申请公布日期
1970.03.03
申请号
USD3498698
申请日期
1966.06.06
申请人
CANON KK.
发明人
SHUJI KOYANAGI
分类号
G02B13/04;(IPC1-7):G02B9/62
主分类号
G02B13/04
代理机构
代理人
主权项
地址
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