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发明名称
Selector for telephone installations
摘要
申请公布号
US2073087(A)
申请公布日期
1937.03.09
申请号
US19350036005
申请日期
1935.08.13
申请人
ALEXANDER WIRTH
发明人
WIRTH ALEXANDER
分类号
H01H67/12
主分类号
H01H67/12
代理机构
代理人
主权项
地址
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