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发明名称
Homopolar pipe welding generator
摘要
申请公布号
US1951272(A)
申请公布日期
1934.03.13
申请号
US19300491022
申请日期
1930.10.24
申请人
CHANDEYSSON PIERRE I
发明人
CHANDEYSSON PIERRE I.
分类号
B23K11/06
主分类号
B23K11/06
代理机构
代理人
主权项
地址
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