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发明名称
GAS SHIELDED ARC WELDING TORCH
摘要
申请公布号
US3436522(A)
申请公布日期
1969.04.01
申请号
USD3436522
申请日期
1964.12.15
申请人
UNION CARBIDE CORP.
发明人
DONALD W. CARKHUFF;THADDEUS J. WOJCIAK
分类号
B23K9/173;(IPC1-7):B23K9/12;B23K37/02
主分类号
B23K9/173
代理机构
代理人
主权项
地址
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