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发明名称
Retracting blade switch
摘要
申请公布号
US2244201(A)
申请公布日期
1941.06.03
申请号
US19400352799
申请日期
1940.08.15
申请人
JOHNSON TOMLINSON F
发明人
JOHNSON TOMLINSON F.
分类号
H01H31/28
主分类号
H01H31/28
代理机构
代理人
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地址
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