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发明名称
PULSED WELDING AND CUTTING BY VARIATION OF COMPOSITION OF SHIELDING GAS
摘要
申请公布号
CA857464(A)
申请公布日期
1970.12.01
申请号
CAD857464
申请日期
申请人
AIR REDUCTION COMPANY
发明人
JOHN W. CUNNINGHAM
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主分类号
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