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发明名称
High speed switch mechanism
摘要
申请公布号
US2864920(A)
申请公布日期
1958.12.16
申请号
US19540463356
申请日期
1954.10.20
申请人
GEORGE TRAD
发明人
HOTINE WILLIAM
分类号
H02M1/30
主分类号
H02M1/30
代理机构
代理人
主权项
地址
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