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发明名称
Photoelectric inspection by a coincident method
摘要
申请公布号
US2730922(A)
申请公布日期
1956.01.17
申请号
US19510251089
申请日期
1951.10.12
申请人
RADIO CORPORATION OF AMERICA
发明人
BEARD ARTHUR D.
分类号
B08B9/46;G01N21/90;G01N33/00
主分类号
B08B9/46
代理机构
代理人
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地址
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