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发明名称
Electrical protective system
摘要
申请公布号
US2103430(A)
申请公布日期
1937.12.28
申请号
US19360093910
申请日期
1936.08.01
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
MAURER KEITH L.;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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