| 1. | Specification for projections for resistance welding
电阻焊的凸出部位规范 |
| 2. | Graphical symbols for resistance welding equipment
电阻焊设备用图形符号 |
| 3. | Insulation caps and bushes for resistance welding equipment
电阻焊设备的绝缘帽和绝缘衬套 |
| 4. | Safety requirements for resistance welding machine
电阻焊机的安全要求 |
| 5. | Copper alloys for resistance welding electrode
电阻焊用铜合金电极材料 |
| 6. | Connection angle 45 and 90 , for resistance welding equipment
电阻焊设备的度和度连接角度 |
| 7. | Longitudinal electric resistance welded steel pipes for pump barrel
油井泵体用直缝电阻焊钢管 |
| 8. | Specification for resistance welding of carbon and low - alloy steels
碳钢和低合金钢电阻焊规范 |
| 9. | Specification for the qualification of resistance welding technician
电阻焊技术员资格鉴定规范 |
| 10. | Fasteners . resistance welding screws . reduced head . symbol z sr
紧固件.电阻焊金属螺钉.缩小钉头 |
