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发明名称
Apparatus for preparing skelp for welding
摘要
申请公布号
US2220182(A)
申请公布日期
1940.11.05
申请号
US19380225751
申请日期
1938.08.19
申请人
THE YOUNGSTOWN SHEET & TUBE COMPANY
发明人
TITUS HORATIO G.
分类号
B23D1/26
主分类号
B23D1/26
代理机构
代理人
主权项
地址
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