Acoustics. Noise emitted by machinery and equipment. Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections— 50 стр.
Acoustics. Noise emitted by machinery and equipment. Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections— 44 стр.
Machines for surface cleaning and pre-treatment of industrial items using liquids or vapours. Safety of machines using flammable cleaning liquids— 40 стр.
Electrical apparatus for explosive gas atmospheres - Part 18: Construction, test and marking of type of protection encapsulation "m" electrical apparatus— 63 стр.
Electrical apparatus for explosive gas atmospheres. Construction, test and marking of type of protection encapsulation "m" electrical apparatus— 38 стр.
Electrical apparatus for the detection and measurement of flammable gases - Part 4: Performance requirements for group II apparatus indicating up to 100% lower explosive limit— 7 стр.