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发明名称
Color combination demonstrator
摘要
申请公布号
US2374389(A)
申请公布日期
1945.04.24
申请号
US19440527363
申请日期
1944.03.20
申请人
GILBERT SNYDER
发明人
SNYDER GILBERT
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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