Heat exchangers - Guidelines to prepare installation, operating and maintenance instructions required to maintain the performance of each type of heat exchanger; German version EN 307:1998— 9 стр.
Aerospace series - Bearings, airframe rolling - Rigid single row ball bearings in steel with flanged alignment housing, cadmium plated - Dimensions and loads; German and English version EN 3059:2007— 22 стр.
