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Standard
| MT/T 785-1998 Polycrystalline diamond compact core bit (English Version) |
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Detail of MT/T 785-1998
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Introduction of MT/T 785-1998
本标准规定了金刚石复合片(简称PDC)取心钻头的型式与参数、技术要求、试验方法、检验规则、标志和包装。
本标准适用于煤田地质、煤矿井下瓦斯抽放、注水与排水等钻孔的回转钻进用金刚石复合片取心钻头(以下简称钻头)
Contents of MT/T 785-1998