Mechanical properties of fasteners made of carbon steel and alloy steel. Nuts with specified property classes. Coarse thread and fine pitch thread— 28 стр.
Water-tube boilers and auxiliary installations. Requirements for flue gas DENOX-systems using liquified pressurized ammonia and ammonia water solution— 28 стр.
Mechanical properties of fasteners made of carbon steel and alloy steel. Nuts with specified property classes. Coarse thread and fine pitch thread— 28 стр.