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发明名称
Improvements in or relating to ultrasonic viewing devices
摘要
申请公布号
GB912183(A)
申请公布日期
1962.12.05
申请号
GB19600006706
申请日期
1960.02.25
申请人
CHARLES NORMAN SMYTH
发明人
分类号
G01H3/12;H01J31/495
主分类号
G01H3/12
代理机构
代理人
主权项
地址
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