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发明名称
Apparatus for signal reflection ultrasonic flaw testing
摘要
申请公布号
GB968798(A)
申请公布日期
1964.09.02
申请号
GB19630009005
申请日期
1963.03.06
申请人
IVAN LESTER JOY
发明人
分类号
G01N29/22
主分类号
G01N29/22
代理机构
代理人
主权项
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