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发明名称
Optical testing device and method of testing
摘要
申请公布号
US2304814(A)
申请公布日期
1942.12.15
申请号
US19410384372
申请日期
1941.03.20
申请人
GLASSER CHARLES J
发明人
GLASSER CHARLES J.
分类号
G01M11/02
主分类号
G01M11/02
代理机构
代理人
主权项
地址
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