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经营范围
发明名称
Welding gun
摘要
申请公布号
US2519614(A)
申请公布日期
1950.08.22
申请号
US19480004990
申请日期
1948.01.29
申请人
ECK ARTHUR T VAN
发明人
ECK ARTHUR T. VAN
分类号
B23K11/31
主分类号
B23K11/31
代理机构
代理人
主权项
地址
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