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发明名称
Safety device
摘要
申请公布号
US3268769(A)
申请公布日期
1966.08.23
申请号
US19630297135
申请日期
1963.07.23
申请人
ERICKSON ELECTRICAL EQUIPMENT CO.
发明人
ERICKSON JOHN W.;WINGFIELD ROBERT W.
分类号
H02H3/253
主分类号
H02H3/253
代理机构
代理人
主权项
地址
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