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发明名称
ELECTRIC ARC WORKING APPARATUS
摘要
申请公布号
CA872432(A)
申请公布日期
1971.06.01
申请号
CAD872432
申请日期
申请人
UNION CARBIDE CORPORATION
发明人
AUGUST F. MANZ
分类号
主分类号
代理机构
代理人
主权项
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