Чертежи технические. Надписи. Часть 1. Применяемые шрифты
Название (англ.):
Technical drawings; lettering; part 1: currently used characters
Описание (англ.):
Specifies the characteristics. Concers primarily letters written with the aid of stencils but is also applicable to other methods of free-hand lettering. The essential features are legibility, uniformity, suitability for microfilming and photographic reproduction.