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发明名称
Optical instrument
摘要
申请公布号
US2355910(A)
申请公布日期
1944.08.15
申请号
US19430488067
申请日期
1943.05.22
申请人
BAUSCH & LOMB OPTICAL COMPANY
发明人
GALLASCH GEORGE B.
分类号
G01B9/08;G01B11/06
主分类号
G01B9/08
代理机构
代理人
主权项
地址
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