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prEN 12255-15 rev
Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants
DIN EN 12255-15 rev
Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants
prEN ISO 15136-1 rev
Petroleum and natural gas industries - Progressing cavity pump systems for artificial lift - Part 1: Pumps
DIN EN ISO 15136-1 rev
Petroleum and natural gas industries - Progressing cavity pump systems for artificial lift - Part 1: Pumps
DIN EN 12845-1
prEN 12845-1 Fixed firefighting systems - Automatic sprinkler systems - Part 1: Design, installation and maintenance
prEN ISO 11990 rev
Lasers and laser-related equipment - Determination of laser resistance of tracheal tube shaft and tracheal tube cuffs
DIN EN ISO 11990 rev
Lasers and laser-related equipment - Determination of laser resistance of tracheal tube shaft and tracheal tube cuffs
EN 12697-22/prA1
Bituminous mixtures - Test methods - Part 22: Wheel tracking
FprCEN ISO/TR 15235
Preparation of steel substrates before application of paints and related products - Collected information on the effect of levels of water-soluble salt contamination (ISO/TR 15235:2001)
DIN CEN ISO/TR 15235
Preparation of steel substrates before application of paints and related products - Collected information on the effect of levels of water-soluble salt contamination (ISO/TR 15235:2001)
