Printing types. Type family 'Bachenas' ( for Russian alphabet and alphabets of roman graphic base). Range of application. Design. Base line. Characters per 4 picas
Civil defense. Engineering and technical equipment of civil defense protective structures. Hermetic valves. General technical requirements. Test methods
Boxes and enclosures for electrical accessories for household and similar fixed electrical installations. Part 24. Particular requirements for enclosures for housing protective devices and other power dissipating electrical equipment
