Printing types. Type family 'Aktsidentnaya Telingatera' ( for alphabets of Russian and roman graphic bases). Range of application. Design. Base line. Characters per 4 picas
Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCB's). Part 2-2. Applicability of the general rules to RCCB's functionally dependent on line voltage
