Information technology. Real-time locating systems (RTLS). Part 22. Direct Sequence Spread Spectrum (DSSS) 2,4 GHz air interface protocol: Transmitters operating with multiple spread codes and employing a QPSK data encoding and Walsh offset QPSK (WOQPSK) spreading scheme
Safety of household and similar electrical appliances. Part 2.24. Particular requirements for refrigerating appliances, ice-cream appliances and ice-makers
Electrical installations of buildings. Part 7-740. Requirements for special installations or locations. Temporary electrical installations for structures, amusement devices and booths at fairgrounds, amusement parks and circuses
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