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发明名称
БУРОВОЙ СНАРЯД ДЛЯ ПРОХОДКИ СКВАЖИН ИМПУЛЬСНЫМИ РАЗРЯДАМИ
摘要
申请公布号
RU699849(C)
申请公布日期
2006.04.20
申请号
SU19701513792
申请日期
1970.01.04
申请人
Научно-исследовательский институт высоких напр жений при Томском ордена Трудового Красного Знамени политехническом институте им. С.М.Кирова
发明人
Кал цкий И.И.;Кленин Ш.Т.;Сафронов В.Н.;Фортес Ю.Б.;Чепиков А.Т.
分类号
E21C37/18
主分类号
E21C37/18
代理机构
代理人
主权项
地址
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