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经营范围
发明名称
Improvements in or relating to fault-detection by ultrasonic waves
摘要
申请公布号
GB665153(A)
申请公布日期
1952.01.16
申请号
GB19490008439
申请日期
1949.03.29
申请人
DUNLOP RUBBER COMPANY LIMITED;ERNEST FREDERICK POWELL;PERCY HATFIELD
发明人
分类号
G01M17/02;G01N29/22
主分类号
G01M17/02
代理机构
代理人
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