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发明名称
Electromagnetic switching device
摘要
申请公布号
US2117531(A)
申请公布日期
1938.05.17
申请号
US19350040694
申请日期
1935.09.16
申请人
ASSOCIATED TELEPHONE AND TELEGRAPH COMPANY
发明人
WOODLAND CECIL ROBERT;RHODES CECIL
分类号
H01H51/32
主分类号
H01H51/32
代理机构
代理人
主权项
地址
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