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经营范围
发明名称
ELECTRIC ARC WORKING APPARATUS
摘要
申请公布号
US3544759(A)
申请公布日期
1970.12.01
申请号
USD3544759
申请日期
1966.11.30
申请人
UNION CARBIDE CORP.
发明人
AUGUST F. MANZ
分类号
B23K9/10;(IPC1-7):B23K9/10
主分类号
B23K9/10
代理机构
代理人
主权项
地址
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