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发明名称
Optical counting device and process of making the same
摘要
申请公布号
US2328585(A)
申请公布日期
1943.09.07
申请号
US19410372779
申请日期
1941.01.02
申请人
SPENCER LENS COMPANY
发明人
ROONEY JOHN T.
分类号
A61B5/145
主分类号
A61B5/145
代理机构
代理人
主权项
地址
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