DIN 21521-2 – Rock bolts for mining and tunnel support; general specifications for steel-bolts; tests, testing methods
Product Details
- Published:
- 02/01/1993
- Number of Pages:
- 7
- File Size:
- 1 file , 510 KB
- Product Code(s):
- 2510509, 2510509
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
