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经营范围
发明名称
Improvements in and relating to optical glass
摘要
申请公布号
GB649733(A)
申请公布日期
1951.01.31
申请号
GB19480008878
申请日期
1948.03.25
申请人
KODAK LIMITED
发明人
分类号
C03C3/247
主分类号
C03C3/247
代理机构
代理人
主权项
地址
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