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发明名称
MEJORAS EN APARATO PARA DETECTAR FALLAS A TIERRA
摘要
申请公布号
MX143373(A)
申请公布日期
1981.04.27
申请号
MX19770169348
申请日期
1977.06.06
申请人
WEC
发明人
TEEL BILLY E;MAGRUDER SAMUEL L
分类号
H02H7/26;H02H3/28;(IPC1-7):H02H3/16
主分类号
H02H7/26
代理机构
代理人
主权项
地址
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