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| 争光—10型取样钻机 |
| | 1973(3) [摘要(1318)] [PDF 933.32 K (313)] [HTML] |
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| 小钻机发挥大作用——推广取样钻的体会 |
| | 1973(3) [摘要(1090)] [PDF 999.93 K (321)] [HTML] |
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| 推广使用争光—10型取样钻机情况 |
| | 1973(3) [摘要(1121)] [PDF 377.32 K (334)] [HTML] |
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| “穷棒子”精神结硕果——利用小电炉回炼废钢材 |
| | 1973(3) [摘要(1105)] [PDF 330.16 K (276)] [HTML] |
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| 金刚石钻进小结 |
| | 1973(3) [摘要(1144)] [PDF 527.93 K (309)] [HTML] |
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| 关于提高70号钢钢粒质量的研究试验 |
| | 周韶光,耿瑞伦 |
| | 1973(3) [摘要(1151)] [PDF 4.43 M (306)] [HTML] |
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| 液压射流冲击回转钻具研究试验动态 |
| | 1973(3) [摘要(1141)] [PDF 76.03 K (350)] [HTML] |
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| 某矿区防、治孔斜情况 |
| | 1973(3) [摘要(1099)] [PDF 2.52 M (316)] [HTML] |
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| 薄片硬合金自磨钻头的初步研究 |
| | 1973(3) [摘要(1064)] [PDF 265.91 K (329)] [HTML] |
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| 小口径测斜仪改制成功 |
| | 1973(3) [摘要(992)] [PDF 75.77 K (308)] [HTML] |
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| 关于无炮泥爆破方法的探讨 |
| | 1973(3) [摘要(1050)] [PDF 2.02 M (295)] [HTML] |
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| 二硫化钼润滑介绍 |
| | 1973(3) [摘要(1018)] [PDF 145.74 K (328)] [HTML] |
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| 井底液压发动机“戴纳钻” |
| | М·Т·古斯曼 |
| | 1973(3) [摘要(1032)] [PDF 1.87 M (289)] [HTML] |
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