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经营范围
发明名称
Direct recording oscillograph
摘要
申请公布号
US3085847(A)
申请公布日期
1963.04.16
申请号
US19600009488
申请日期
1960.02.18
申请人
MASSA DIVISION OF COHU ELECTRONICS, INC.
发明人
MASSA FRANK
分类号
G01R13/04
主分类号
G01R13/04
代理机构
代理人
主权项
地址
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