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发明名称
Improvements in or relating to Ultrasonic Delay Devices
摘要
申请公布号
GB1159309(A)
申请公布日期
1969.07.23
申请号
GB19670020943
申请日期
1967.05.05
申请人
THE GENERAL ELECTRIC AND ENGLISH ELECTRIC COMPANIES LIMITED
发明人
MEIRION FRANCIS LEWIS;ERNEST PATTERSON
分类号
H03H9/125;H03H9/36
主分类号
H03H9/125
代理机构
代理人
主权项
地址
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