|
|
|
金刚石绳索取心钻探设备 系列A 第2部分:英制单位
Wireline diamond core drilling equipment - System A - Part 2: Inch units
参考页数:17P.;A4
|
|
|
|
|
|
金刚石绳索取心钻探设备 系列A 第1部分:米制单位
Wireline diamond core drilling equipment - System A - Part 1: Metric units
参考页数:12P.;A4
|
|
|
|
|
|
地下采矿机械. 工作面上的移动式采掘机械. 截装机和开沟系统的安全要求
Underground mining machines - Mobile extracting machines at the face - Safety requirements for shearer loaders and plough systems
参考页数:26P.;A4
|
|
|
|
|
|
潜孔冲击器和潜孔钻头
Downhole drill hammers and bits
参考页数:12
|
|
|
|
|
|
|
|
|