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经营范围
发明名称
Improvements in or relating to Methods of Projecting Symbols by Means of Digital Light Deflectors
摘要
申请公布号
GB1192966(A)
申请公布日期
1970.05.28
申请号
GB19670037621
申请日期
1967.08.16
申请人
发明人
分类号
B41B17/08;G03H1/26;G09G3/00
主分类号
B41B17/08
代理机构
代理人
主权项
地址
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