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发明名称
Welding apparatus
摘要
申请公布号
US2259976(A)
申请公布日期
1941.10.21
申请号
US19380217883
申请日期
1938.07.07
申请人
SUN SHIPBUILDING & DRY DOCK COMPANY
发明人
HOWARD CECIL D.
分类号
B23K9/028
主分类号
B23K9/028
代理机构
代理人
主权项
地址
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