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英文名称: |
Inspecting method in manufacturing for high pressure urea equipment Ultrasonic examination for the surfacing layer with strip overlay by automatic submerged arc welding |
标准状态: |
已作废 |
替代情况: |
原标准号ZB G93004-87;被HG/T 3175-2002代替 |
中标分类: |
化工>>化工机械与设备>>G93化工设备 |
实施日期: |
2003-06-01
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页数: |
4页 |
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