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经营范围
发明名称
WELDING SYSTEM
摘要
申请公布号
CA548521(A)
申请公布日期
1957.11.05
申请号
CAD548521
申请日期
申请人
WELDING RESEARCH
发明人
MARCEL R. SOMMERIA
分类号
主分类号
代理机构
代理人
主权项
地址
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