ГОСТ Р МЭК 60050-426—2011
user
vapour pressure
ventilation
visual Inspection
void
volume (of flameproof enclosure)
weather barrier
width (of flameproof Joint)
workpiece
workpiece (of trace heater)
Zone 0
Zone 1
Zone 2
Zone 20
Zone 21
Zone 22
426-15-08
426-03-20
426-03-14
426-14-03
426-12-07
426-06-08
426-20-40
426-06-05
426-08-10
426-20-41
426-03-03
426-03-04
426-03-05
426-03-23
426-03-24
426-03-25
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