Coal and coke - Analysis and testing, Part 9.4: Higher rank coal - Phosphorus - Borate fusion/molybdenum blue method
Document status: [ Current ]
Mining type flameproof distribution and control boxes for use on a.c. systems for 3-phase voltages up to 110V
Document status: [ Superseded ]
Electrical equipment for coal mines. Flameproof distribution and control boxes for voltages up 1100 V A.C.
Document status: [ Superseded ]
Electrical equipment in coal mines - Explosion-protected distribution and control boxes for voltages up to 3300 V a.c.
Document status: [ Superseded ]
Voltages and frequency for coal mines
Document status: [ Withdrawn ]
Open-ended engineers wrenches (metric series)
Document status: [ Superseded ]
Direct-acting indicating electrical measuring instruments and their accessories
Document status: [ Withdrawn ]
Limits of electromagnetic interference for electrical appliances and equipment
Document status: [ Superseded ]