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经营范围
发明名称
Variable ultrasonic delay line
摘要
申请公布号
US2996687(A)
申请公布日期
1961.08.15
申请号
US19590836119
申请日期
1959.08.26
申请人
ANDERSEN LABORATORIES, INC.
发明人
WRIGHT HOLDEN P.
分类号
H03H9/38
主分类号
H03H9/38
代理机构
代理人
主权项
地址
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