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发明名称
Welding clamping device
摘要
申请公布号
US1781548(A)
申请公布日期
1930.11.11
申请号
US19290395271
申请日期
1929.09.26
申请人
METROPOLITAN ENGINEERING COMPANY
发明人
HOFFER LE ROY H.
分类号
B23K11/30
主分类号
B23K11/30
代理机构
代理人
主权项
地址
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