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经营范围
发明名称
ARC WELDING
摘要
申请公布号
ZA7903209(B)
申请公布日期
1980.07.30
申请号
ZA19790003209
申请日期
1979.06.27
申请人
RES COUNCIL ALBERTA
发明人
ROEN R
分类号
B23K
主分类号
B23K
代理机构
代理人
主权项
地址
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