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发明名称
WELDING APPARATUS
摘要
申请公布号
CA342097(A)
申请公布日期
1934.06.05
申请号
CAD342097
申请日期
申请人
THE DOMINION OXYGEN COMPANY
发明人
JOHN M. HALBING;ROBERT J. KEHL
分类号
主分类号
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