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Věstník 8/2023
prEN ISO 21068-2 Chemical analysis raw materials and refractory
products containing silicon-carbide, silicon-nitride,
silicon-oxynitride and sialon Part Determination
of volatile components, total carbon, free carbon, silicon
carbide, total and free silicon, free and surface silica
(ISO/DIS 21068-2:2023)
CEN/TC 187 2023-08-25
prEN ISO 21068-3 Chemical analysis raw materials and refractory
products containing silicon-carbide, silicon-nitride,
silicon-oxynitride and sialon Part Determination
of nitrogen, oxygen and metallic and oxidic constituents
(ISO/DIS 21068-3:2023)
CEN/TC 187 2023-08-25
prEN ISO 21068-4 Chemical analysis raw materials and refractory
products containing silicon-carbide, silicon-nitride,
silicon-oxynitride and sialon Part XRD methods
(ISO/DIS 21068-4:2023)
CEN/TC 187 2023-08-25
prEN ISO 13431 Geotextiles and geotextile-related products -
Determination tensile creep and creep rupture
behaviour (ISO/DIS 13431:2023)
CEN/TC 189 2023-08-24
prEN 12259-15 Fixed firefighting systems Components for sprinkler
and water spray systems Part 15: Spray pattern
sprinklers with k-factor least K160, extended
coverage sprinklers least K80 and control mode
special application sprinklers
CEN/TC 191 2023-08-24
EN 17446:2021/prA1 Fire extinguishing systems commercial kitchens -
System design, documentation, and test requirements
CEN/TC 191 2023-09-07
prEN ISO 16890-3 Air filters for general ventilation Part Determination
of the gravimetric efficiency and the air flow resistance
versus the mass test dust captured
(ISO/DIS 16890-3:2023)
CEN/TC 195 2023-09-20
EN ISO 23875:2022/prA1 Mining Air quality control systems for operator
enclosures Performance requirements and test methods -
Amendment (ISO 23875:2021/Amd 1:2022)
CEN/TC 196 2023-08-24
prEN ISO 4641 Rubber hoses and hose assemblies for water suction and
discharge Specification (ISO/DIS 4641:2023)
CEN/TC 218 2023-08-22
EN 12697-22:2020/prA1 Bituminous mixtures Test methods Part 22: Wheel
tracking
CEN/TC 227 2023-09-07
prEN 15466-1 Primers for cold and hot applied joint sealants Part 1:
Determination homogeneity
CEN/TC 227 2023-09-07
prEN 15466-3 Primers for cold and hot applied joint sealants Part 3:
Determination solids content and evaporation
behaviour volatiles
CEN/TC 227 2023-09-07
prEN 15466-2 Primers for cold and hot applied joint sealants Part 2:
Determination resistance against alkali
CEN/TC 227 2023-09-07
prEN 13880-5 Hot applied joint sealants Part Test method for the
determination flow resistance
CEN/TC 227 2023-09-07
prEN 17137 Textiles Determination the content compounds
based chlorobenzenes and chlorotoluenes
CEN/TC 248 2023-09-21
prEN ISO 21549-5 Health informatics Patient healthcard data Part 5:
Identification data (ISO/FDIS 21549-5:2023)
CEN/TC 251 2023-08-30
prEN 13848-4 Railway applications Track Track geometry quality -
Part Measuring systems Manual and lightweight
devices
CEN/TC 256 2023-08-31
prEN 14198 Railway applications Braking Requirements for the
brake system trains hauled locomotives
CEN/TC 256 2023-09-14
prEN 16683 Railway applications Call for aid and communication
device Requirements for heavy rail vehicles
CEN/TC 256 2023-09-07
prEN 17836 Fertilizers Description the forms the physical unit CEN/TC 260 2023-08-24
