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发明名称
Apparatus for checking the work of arc welders
摘要
申请公布号
US2496313(A)
申请公布日期
1950.02.07
申请号
US19410386196
申请日期
1941.03.31
申请人
ROBERT SARAZIN
发明人
SARAZIN ROBERT
分类号
A61F9/06
主分类号
A61F9/06
代理机构
代理人
主权项
地址
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