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经营范围
发明名称
LIGHT SCREEN
摘要
申请公布号
CA466093(A)
申请公布日期
1950.06.27
申请号
CAD466093
申请日期
申请人
FREDERICK R. MILLER
发明人
FREDERICK R. MILLER
分类号
主分类号
代理机构
代理人
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地址
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