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Chinese National Standard Category: Railway construction product maintenance and service |
English Title: | Maintenance performance Part 21:Ultrasonic testing of rail welds |
Chinese Title: | 工务作业第21部分:钢轨焊缝超声波探伤作业 |
Standard No.: | TB/T 2658.21-2007 |
Category No.: | S17 |
Issued by: | Ministry of Railways |
Issued on: | 2007-04-23 |
Implemented on: | 2007-10-1 |
Status: | valid |
Superseded by: | |
Superseded on: | |
Abolished on: | |
Superseding: | |
Word Count: | 13500 words |
Similar Standards: | TB/T 3148-2007 TB/T 2658.21-2007 TB/T 1632.2-2005 TB/T 1632.3-2005 TB/T 1632.4-2005 TB/T 3120-2005 TB/T 1632.1-2005 TB/T 3089-2004 |
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