Petroleum and natural gas in dustries. Subsea production systems. Bar of nickel-chromium-molybdenum-niobiumalloy, nickel-chromium-molybdenum-silicon andnickel-chromium-molybdenum-tungstenalloys. Specifications
Automobile roads of general use. Automobile roads of general use. Road not asphalt mixtures and asphalt concrete. Preparation of sample-plates by roller compactor