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发明名称
Impulse comparing arrangement
摘要
申请公布号
US2829248(A)
申请公布日期
1958.04.01
申请号
US19520297143
申请日期
1952.07.03
申请人
HELMUT OBERBECK
发明人
OBERBECK HELMUT
分类号
G01R25/00;G01S1/02;G01S13/70;H04N5/12
主分类号
G01R25/00
代理机构
代理人
主权项
地址
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