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发明名称
Weld testing device
摘要
申请公布号
US2100502(A)
申请公布日期
1937.11.30
申请号
US19360065406
申请日期
1936.02.24
申请人
ASSOCIATED ELECTRIC LABORATORIES, INC.
发明人
CAMPBELL ROBERT D.;HUEBERT WILLIAM
分类号
G01N3/00
主分类号
G01N3/00
代理机构
代理人
主权项
地址
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