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发明名称
Improved colour mixing method
摘要
申请公布号
GB620768(A)
申请公布日期
1949.03.30
申请号
GB19460019441
申请日期
1946.06.28
申请人
OTTO SYREENI
发明人
分类号
G01J3/52
主分类号
G01J3/52
代理机构
代理人
主权项
地址
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