CN206772147U - 炮孔水平向或上向装药辅助装置 - Google Patents
炮孔水平向或上向装药辅助装置 Download PDFInfo
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CN108061494A (zh) * | 2017-03-27 | 2018-05-22 | 内蒙古康宁爆破有限责任公司 | 炮孔水平向或上向装药辅助装置 |
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CN108061494A (zh) * | 2017-03-27 | 2018-05-22 | 内蒙古康宁爆破有限责任公司 | 炮孔水平向或上向装药辅助装置 |
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