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经营范围
发明名称
AUTOMATIC CORRECTING DEVICE FOR SHADING
摘要
申请公布号
JPS6440863(A)
申请公布日期
1989.02.13
申请号
JP19870197049
申请日期
1987.08.06
申请人
ASAHI OPTICAL CO LTD
发明人
NOGUCHI YUZO
分类号
G03B27/50;G03B27/32;G03G15/04
主分类号
G03B27/50
代理机构
代理人
主权项
地址
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