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经营范围
发明名称
LIGHT QUANTITY ADJUSTING DEVICE
摘要
申请公布号
JPH11194384(A)
申请公布日期
1999.07.21
申请号
JP19970359702
申请日期
1997.12.26
申请人
CANON ELECTRON INC
发明人
KUROSAWA AKIRA
分类号
G03B17/00;G02B26/02;G03B9/02;(IPC1-7):G03B9/02
主分类号
G03B17/00
代理机构
代理人
主权项
地址
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