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发明名称
WELDING TOGETHER OF PIPES
摘要
申请公布号
CA573657(A)
申请公布日期
1959.04.07
申请号
CAD573657
申请日期
申请人
LINCOLN ELECTRIC COMPANY LIMITED
发明人
JOHN HANDLEY
分类号
主分类号
代理机构
代理人
主权项
地址
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