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经营范围
发明名称
Pinhole detecting unit
摘要
申请公布号
US2947876(A)
申请公布日期
1960.08.02
申请号
US19550556652
申请日期
1955.12.30
申请人
GENERAL ELECTRIC COMPANY
发明人
LAREW JOHN J.
分类号
G01N21/894
主分类号
G01N21/894
代理机构
代理人
主权项
地址
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