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经营范围
发明名称
Backlighting and reflectance error compensation devices
摘要
申请公布号
US3105428(A)
申请公布日期
1963.10.01
申请号
US19610116462
申请日期
1961.06.12
申请人
BELL & HOWELL COMPANY
发明人
JR. MERVIN W. LA RUE,
分类号
G01J1/04;G01J1/06;G01J1/42;G03B7/099
主分类号
G01J1/04
代理机构
代理人
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