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经营范围
发明名称
LIGHT QUANTITY CONTROL DEVICE
摘要
申请公布号
JPH05241223(A)
申请公布日期
1993.09.21
申请号
JP19910121325
申请日期
1991.05.27
申请人
CANON ELECTRON INC
发明人
SHIMADA KOICHI
分类号
G03B9/02;G03B9/06;(IPC1-7):G03B9/02
主分类号
G03B9/02
代理机构
代理人
主权项
地址
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