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| 金刚石钻进用钻杆 |
| | 1975(2):1-6 [摘要(1063)] [PDF 279.42 K (300)] [HTML] |
| | |
| 冷压表镶天然金刚石钻头及扩孔器的使用情况 |
| | 1975(2):7-9,10 [摘要(1094)] [PDF 195.28 K (327)] [HTML] |
| | |
| 金刚石小口径钻进用矢锥 |
| | 1975(2):10-15,19 [摘要(1066)] [PDF 1.27 M (288)] [HTML] |
| | |
| 金刚石钻进小结 |
| | 1975(2):16-18 [摘要(907)] [PDF 217.39 K (280)] [HTML] |
| | |
| 92号人造金刚石孕镶钻头试验情况 |
| | 1975(2):19 [摘要(973)] [PDF 77.84 K (302)] [HTML] |
| | |
| 200/40螺杆泥浆泵 |
| | 1975(2):20-26 [摘要(1046)] [PDF 737.71 K (258)] [HTML] |
| | |
| 废钢材回炼及锁接头机加工配套 |
| | 1975(2):26 [摘要(889)] [PDF 639.13 K (248)] [HTML] |
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| 用硅碳棒电炉烧结针状硬质合金块及其使用情况 |
| | 1975(2):27-32 [摘要(1084)] [PDF 402.09 K (433)] [HTML] |
| | |
| 修旧利废废料制成手摇泵 |
| | 邓公良 |
| | 1975(2):32 [摘要(1007)] [PDF 68.91 K (293)] [HTML] |
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| 小口径针状硬质合金钻进小结 |
| | 1975(2):33-35 [摘要(1028)] [PDF 207.31 K (267)] [HTML] |
| | |
| 使用接头式喷射式反循环钻具解决磷矿取芯问题 |
| | 1975(2):36-38 [摘要(964)] [PDF 187.77 K (338)] [HTML] |
| | |
| 岩心钻探通俗讲座 |
| | 刘励慎 |
| | 1975(2):39-47 [摘要(1023)] [PDF 654.68 K (270)] [HTML] |
| | |
| 复合式300型车装水文水井钻机 |
| | 1975(2):47 [摘要(994)] [PDF 83.48 K (354)] [HTML] |
| | |
| 苏联在坚硬岩层钻进技术方面的发展趋向 |
| | 周国荣,Ю.Д.布加科夫 |
| | 1975(2):48-50 [摘要(1127)] [PDF 208.12 K (304)] [HTML] |
| | |
| 新型测尘设备及防护用品 |
| | 1975(2):50 [摘要(985)] [PDF 389.25 K (280)] [HTML] |
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