Metallic materials. Hardness test, Rockwell test (scales A, B, C, D, E, F, G, H, K) and Rockwell superficial test (scales 15 N, 30 N, 45 N, 15 T, 30 T and 45 T)— 18 стр.
Metallic materials. Hardness test, Rockwell test (scales A, B, C, D, E, F, G, H, K) and Rockwell superficial test (scales 15 N, 30 N, 45 N, 15 T, 30 T and 45 T)— 18 стр.
Petroleum and natural gas industries - Drilling and production equipment - Drill-through equipment (ISO 13533:2001, including Technical Corrigendum 1:2005) (consolidated version)
