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PREN 13623 2018 Edition, April 30, 2018 Draft BS EN 13623 Chemical disinfectants and antiseptics - Quantitative suspension test for the evaluation of bactericidal activity against Legionella of chemical disinfectants for aqueous systems - Test method and requirements (phase 2, step 1).
PREN 50676 2018 Edition, April 27, 2018 Draft BS EN 50676 Electrical equipment used for detection and concentration measurement of refrigerant gases or SF6 Performance requirements and test methods
PREN 13071-2 2018 Edition, April 23, 2018 Draft BS EN 13071-2 Stationary waste containers up to 5 000 l, top lifted and bottom emptied. Part 2: Additional requirements for underground or partly underground systems.
PREN 13071-1 2018 Edition, April 23, 2018 Draft BS EN 13071-1 Stationary waste containers up to 5 000 l, top lifted and bottom emptied. Part 1: General requirements.
PREN 764-7 2018 Edition, April 23, 2018 Draft BS EN 764-7 Pressure equipment. Part 7: Safety systems for unfired pressure equipment.
PREN 17247 2018 Edition, April 23, 2018 Draft BS EN 17247 Intermodal Transport Unit 45'PW.
PREN 50110-2 2018 Edition, April 19, 2018 Draft BS EN 50110-2 Operation of electrical installations Part 2: National annexes
PREN 13150 2018 Edition, April 16, 2018 Draft BS EN 13150 Workbenches for laboratories - Dimensions, safety requirements and test methods
PREN 12046-1 2018 Edition, April 16, 2018 Draft BS EN 12046-1 Operating forces - Test method. Part 1: Windows
PREN 13115 2018 Edition, April 16, 2018 Draft BS EN 13115 Windows - Classification of mechanical properties - Racking, torsion and operating forces
PREN 12390-17 2018 Edition, April 16, 2018 Draft BS EN 12390-17 Testing hardened concrete. Part 17: Determination of creep of concrete in compression
PREN 12390-4 2018 Edition, April 16, 2018 Draft BS EN 12390-4 Testing hardened concrete. Part 4: Compressive strength - Specification for testing machines