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经营范围
发明名称
Three phase to single phase welding method and machine
摘要
申请公布号
US2911581(A)
申请公布日期
1959.11.03
申请号
US19560610804
申请日期
1956.09.19
申请人
ROBOTRON CORPORATION
发明人
ROCKAFELLOW STUART C.
分类号
B23K11/24
主分类号
B23K11/24
代理机构
代理人
主权项
地址
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