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发明名称
Ultrasonic inspection method for inaccessible pipe and tubing
摘要
申请公布号
US3218845(A)
申请公布日期
1965.11.23
申请号
US19620208655
申请日期
1962.07.09
申请人
WORLTON DANIEL C
发明人
WORLTON DANIEL C.
分类号
G01N29/28
主分类号
G01N29/28
代理机构
代理人
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地址
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