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发明名称
Polarity reversing switch
摘要
申请公布号
US2587178(A)
申请公布日期
1952.02.26
申请号
US19470744240
申请日期
1947.04.26
申请人
GENERAL MOTORS CORPORATION
发明人
LAWSON JOHN W.;BROWN WILLIAM EARL
分类号
H01H1/60;H01H19/38
主分类号
H01H1/60
代理机构
代理人
主权项
地址
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