| [行业标准] GBT 19867.2-2008 气焊焊接工艺规程.pdf | 孙辉 | 12-13 17:29 | 4139 | 0 | ||
| [行业标准] GBT 3375-1994 焊接术语.pdf | 孙辉 | 12-12 14:44 | 4559 | 0 | ||
| [行业标准] GBT 6417.2 2005 金属压力焊接头缺欠分类及说明.pdf | 孙辉 | 12-12 14:40 | 4485 | 0 | ||
| [行业标准] GBT 6417.1-2005 金属熔化焊接头缺欠分类及说明.pdf | 孙辉 | 12-12 14:10 | 5625 | 0 | ||
| [行业标准] GBT 3670-1995 铜及铜合金焊条.pdf | 孙辉 | 12-12 13:26 | 5884 | 0 | ||
| [行业标准] GBT 9491-2002 锡焊用液态焊剂（松香基).pdf | 孙辉 | 12-10 13:34 | 4155 | 0 | ||
| [行业标准] GBT 9460-2008 铜及铜合金焊丝.pdf | 孙辉 | 12-10 13:12 | 4941 | 0 | ||
| [行业标准] GBT 8110-2008 气体保护电弧焊用碳钢、低合金钢焊丝.pdf | 孙辉 | 12-10 13:10 | 4934 | 0 | ||
| [行业标准] HB 5135-2000 结构钢和不锈钢熔焊接头质量检验.pdf | 孙辉 | 12-10 13:06 | 4421 | 0 | ||
| [行业标准] GBT 985.4-2008 复合钢的推荐坡口.pdf | 孙辉 | 12-10 13:04 | 3830 | 0 | ||
| [行业标准] GBT 985.3-2008 铝及铝合金气体保护焊的推荐坡口.pdf | 孙辉 | 12-10 13:03 | 4250 | 0 | ||
| [行业标准] GBT 985.2-2008 埋弧焊的推荐坡口.pdf | 孙辉 | 12-10 13:02 | 4031 | 0 | ||
