GOST 18738-80

Petroleum and natural gas industries. Shell-and-tube heat exchangers. Technical requirements

Pattern plate with shallow changeable wooden inserts for moulding box having inside dimensions 600x500 mm for moulding foundry machines without turn of half mould with squeezing. Design and dimensions

Unified system for program documentation. Data, program and system flowcharts, program network charts and system resources charts. Documentation symbols and convention for flowcharting

Aluminosilicate proppants. Specifications

Occupational safety standards system. Road and construction machinery. General safety requirements

Unified system of corrosion and ageing protection. Sealants. Test methods for resistance to attack by liquid corrosive media