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Directional Fracture Blasting Shaped Charge Hole Positioning Directional Push Dedicated Device

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  • Release time:2018-09-20

  • Scope of patent:Chinese Invention Patent,

  • Patent Applicant:肖小文, 邹家鸿, 周海英, 张学民, 杨峰, 阳军生, 王树英

  • Authorization number:201220504219

  • Service Invention or Not:no

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