Welded Steel Pipes in Unalloyed and Low Alloy Steels for Supply Purposes, Process Plant and Tanks; Pipes for General Use (Commercial Quality), Technical Conditions of Delivery— 2 стр.
Welded Steel Pipes in Unalloyed and Low Alloy Steels for Supply Purposes, Process Plant and Tanks; General Specifications, Survey, Recommendations for Use— 6 стр.
Welded Steel Pipes in Unalloyed and Low Alloy Steels for Supply Purposes, Process Plant and Tanks; General Specifications, Survey, Recommendations for Use— 6 стр.
Private and individual drinking water supply; governing principles relating to the requirements to be met by drinking water; design, construction and operation of the supply systems; DVGW; code of practice— 16 стр.
Contract Procedure for Building Works; Part C: General Technical Specifications for Building Works; Systems for Central Heating and Central Raw Water Heating— 21 стр.