Aerospace series. Steel FE-PM3901 (X15CrNi17-3). Air melted. Hardened and tempered. Bar for machining. De $3L 200 mm. 900 MPa $3L Rm $3L 1100 MPa— 10 стр.
Safety of machinery. Pressure sensitive protective devices. General principles for the design and testing of pressure sensitive edges and pressure sensitive bars— 64 стр.
Safety of machinery. Electrical equipment of machines. Requirements for HV equipment for voltages above 1000 V a.c. or 1500 V d.c. and not exceeding 36 kV— 62 стр.
Acoustics. Determination of sound power levels of noise sources using sound pressure. Engineering method in an essentially free field over a reflecting plane— 40 стр.