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发明名称
Non-destructive testing of solid bodies
摘要
申请公布号
US2784325(A)
申请公布日期
1957.03.05
申请号
US19520325501
申请日期
1952.12.12
申请人
KELVIN AND HUGHES LIMITED
发明人
HALLIDAY WILLIAM;JEFFERYS HERBERT MARTIN;RANKIN ALEXANDER B. C.
分类号
G01N29/24;H04R17/00
主分类号
G01N29/24
代理机构
代理人
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地址
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