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prEN 15267-4 Edition 06/2024
Air quality - Assessment of air quality monitoring equipment - Part 4: Performance criteria and test procedures for portable automated measuring systems for periodic measurements of emissions from stationary sources
TC/SC : CEN/TC 264
Status : Draft  -  Active
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Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-34: Tests - Resistance to solvents and contaminating fluids
TC/SC : CLC/TC 86BXA
Status : Draft  -  Active
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prEN ISO 14172 Edition 03/2024
Welding consumables - Covered electrodes for manual metal arc welding of nickel and nickel alloys - Classification (ISO/DIS 14172:2022)
TC/SC : CEN/TC 121
Status : Draft  -  Active
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Tractors and machinery for agriculture and forestry — Electrical high-power interface 700 V DC / 480 V AC — Part 7: Mechanical integration
TC/SC : ISO/TC 23/SC 19/WG 9
Status : Draft  -  Active
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Acoustics — Determination of acoustic properties in impedance tubes — Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance
TC/SC : ISO/TC 43/SC 2/WG 32
Status : Draft  -  Active
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Lightning protection system components (LPSC) - Part 7: Requirements for earthing enhancing compounds
TC/SC : CLC/TC 81X
Status : Draft  -  Active
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Semiconductor devices - Mechanical and climatic test methods - Part 5: Steady-state temperature humidity bias life test
TC/SC : CLC/SR 47
Status : Draft  -  Active
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Tractors and machinery for agriculture and forestry — Electrical high-power interface 700 V DC / 480 V AC — Part 6: Communication signals
TC/SC : ISO/TC 23/SC 19/WG 9
Status : Draft  -  Active
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prEN 17888-2 Edition 04/2024
Thermal performance of buildings - In situ testing of building test structures - Part 2: Steady-state data analysis for aggregate heat loss test
TC/SC : CEN/TC 89
Status : Draft  -  Active
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prEN 16035 Edition 12/2023
Hardware performance sheet (HPS) - Identification and summary of test evidence to facilitate the inter-changeability of building hardware for application to fire resisting and/or smoke control doorsets and/or openable windows
TC/SC : CEN/TC 33
Status : Draft  -  Active
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