GB/T 10598.2-2005
Industrial test method of open-cut mine rotary blast hole drill 露天矿用牙轮钻机和旋转钻机 工业试验方法 |
QB/T 2667.2-2004
Buried multi-hole plastics pipes for communication Part 2: Polyethylene (PE) multi-hole pipes 埋地通信用多孔一体塑料管材 第2部分:聚乙烯(PE)多孔一体管材 |
QB/T 2667.1-2004
Buried multi-hole plastics for communication Part 1: Unplasticized polyvinyl chloride (PVC-U) multi-hole pipes 埋地通信用多孔一体塑料管材 第1部分:硬聚氯乙烯(PVC-U)多孔一体管材 |
GB/T 10612-2003
Industrial plate screens--Thickness below 3 mm--Round and square holes 工业用筛板 板厚<3 mm的圆孔和方孔筛板 |
GB/T 1803-2003
Limits and fits--Tolerance zones for holes and shafts size up to 18mm 极限与配合 尺寸至18 mm孔、轴公差带 |
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