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发明名称
POLARITY REVERSIBLE CURRENT REGULATOR APPARATUS
摘要
申请公布号
CA837252(A)
申请公布日期
1970.03.17
申请号
CAD837252
申请日期
申请人
NEOWELD ELECTRIC
发明人
DAVID H. BUERKEL
分类号
主分类号
代理机构
代理人
主权项
地址
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