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发明名称
ELECTRO-PNEUMATIC WELDING CONTROL SYSTEM
摘要
申请公布号
CA450109(A)
申请公布日期
1948.07.27
申请号
CAD450109
申请日期
申请人
DOMINION OXYGEN COMPANY
发明人
HARRY E. KENNEY
分类号
主分类号
代理机构
代理人
主权项
地址
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