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经营范围
发明名称
An improved process for colouring transparent material, especially for optical goods
摘要
申请公布号
GB705253(A)
申请公布日期
1954.03.10
申请号
GB19500008561
申请日期
1950.04.05
申请人
METAL-LUX
发明人
分类号
C03C17/02
主分类号
C03C17/02
代理机构
代理人
主权项
地址
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