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经营范围
发明名称
ULTRASONIC PIPE-TESTING EQUIPMENT
摘要
申请公布号
US3602036(A)
申请公布日期
1971.08.31
申请号
USD3602036
申请日期
1969.08.13
申请人
UNITED STATES STEEL CORP.
发明人
AXEL H. PETERSON
分类号
G01N29/27;(IPC1-7):G01N29/04
主分类号
G01N29/27
代理机构
代理人
主权项
地址
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