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发明名称
Welding apparatus
摘要
申请公布号
US2216739(A)
申请公布日期
1940.10.08
申请号
US19390279764
申请日期
1939.06.17
申请人
CHICAGO BRIDGE & IRON COMPANY
发明人
HINES CLARENCE W.
分类号
B23K37/04
主分类号
B23K37/04
代理机构
代理人
主权项
地址
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