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发明名称
ULTRASONIC TRANSMITTER SWITCHING CIRCUIT
摘要
申请公布号
US3585405(A)
申请公布日期
1971.06.15
申请号
USD3585405
申请日期
1969.03.11
申请人
HEWLETT-PACKARD CO.
发明人
ROBERT L. STETTINER
分类号
G10K15/00;B06B1/02;H03K3/57;(IPC1-7):H03K17/00
主分类号
G10K15/00
代理机构
代理人
主权项
地址
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