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发明名称
Portable electric spot welder
摘要
申请公布号
US2749417(A)
申请公布日期
1956.06.05
申请号
US19520328083
申请日期
1952.12.26
申请人
GRISKELL PHILIP R
发明人
GRISKELL PHILIP R.
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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