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发明名称
Means and method for welding silicon steel sheet stock
摘要
申请公布号
US2175615(A)
申请公布日期
1939.10.10
申请号
US19380208641
申请日期
1938.05.18
申请人
THE AMERICAN ROLLING MILL COMPANY
发明人
REED EO;WIETZEL KARL F.
分类号
B23K5/12
主分类号
B23K5/12
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