Measurement of airborne noise emitted by machines; enveloping surface method; diesel traction trolleys
€34.30
Measurement of airborne noise emitted by machines; enveloping surface method; mine trackless vehicles
Measurement of airborne noise emitted by machines; enveloping surface method; shunting trolleys with friction-wheel and/or gearwheel drive
Buffer springs for mine cars; calculation
Buffer springs for mine cars; requirements
Wooden mine guides
€41.78
Mine support; head for single props; connecting dimensions
Track gauges for pit railways; definition and tolerances
Mine support; valves for individual props; identification code
Mine support; yield valves for powered support; identification code
Round pit timber; technical quality and delivery requirements
Cut pit timber; square timber
Cut pit timber; wood for cogs
Cut pit timber; slabs
Cut pit timber; technical terms of delivery and quality
