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发明名称
Welding torch attachment
摘要
申请公布号
US2483545(A)
申请公布日期
1949.10.04
申请号
US19470778507
申请日期
1947.10.07
申请人
JOHNSON EVERETT C
发明人
JOHNSON EVERETT C.
分类号
B23K3/02
主分类号
B23K3/02
代理机构
代理人
主权项
地址
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