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经营范围
发明名称
Improvements in or relating to supersonic inspection for flaws lying near the surface of a part
摘要
申请公布号
GB625267(A)
申请公布日期
1949.06.24
申请号
GB19460021270
申请日期
1946.07.16
申请人
SPERRY PRODUCTS, INC.
发明人
分类号
G01N29/07
主分类号
G01N29/07
代理机构
代理人
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地址
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