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发明名称
Calibration method and device therefor
摘要
申请公布号
US2791696(A)
申请公布日期
1957.05.07
申请号
US19520273075
申请日期
1952.02.23
申请人
RADIO CORPORATION
发明人
SCHELL ROGER E.
分类号
G01N21/90;G01N21/93;G01N33/00
主分类号
G01N21/90
代理机构
代理人
主权项
地址
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