· SNI 07-2052:2002 BjTP50 490MPa min ± 70/0 (6-8mm) 60/0 ± 50/0 (16-28mm) MINING ANO MATERIALS...

29

Transcript of  · SNI 07-2052:2002 BjTP50 490MPa min ± 70/0 (6-8mm) 60/0 ± 50/0 (16-28mm) MINING ANO MATERIALS...