Portland-, Iron Portland-, blast furnace- and trass cement; determination of granulated blast furnace slag content of iron Portland cement and blast furnace cement and trass content of trass cement— 4 стр.
Mechanical vibration - Resilient elements used in railway tracks - Part 2: Determination of static and dynamic characteristics in the track under operation— 17 стр.
Contract procedure for construction work; part C: general technical specifications for construction work; roof covering and roof sealing works— 15 стр.
Contract procedure for construction work; part C: general technical specifications for construction work; roof covering and roof sealing works— 15 стр.