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发明名称
Electrical protective system
摘要
申请公布号
US1911481(A)
申请公布日期
1933.05.30
申请号
US19310527813
申请日期
1931.04.04
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
SWART LELAND K.
分类号
H02H9/04
主分类号
H02H9/04
代理机构
代理人
主权项
地址
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