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经营范围
发明名称
Fast-operating optical shutter
摘要
申请公布号
GB1056422(A)
申请公布日期
1967.01.25
申请号
GB19630028880
申请日期
1963.07.22
申请人
FOLAS ENTERPRISES INC
发明人
分类号
G03B9/08
主分类号
G03B9/08
代理机构
代理人
主权项
地址
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