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发明名称
Optical inspection apparatus for use in inspecting potentiometer cards
摘要
申请公布号
US2461939(A)
申请公布日期
1949.02.15
申请号
US19450597768
申请日期
1945.06.06
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
STULL JOHN S.
分类号
G02B21/00
主分类号
G02B21/00
代理机构
代理人
主权项
地址
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