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Protection of telecommunication lines against direct lightning flashes

Protection of telecommunication lines using metallic symmetric conductors against lightning-induced surges

Protection of telecommunication lines against direct lightning flashes

Road and airfield surface characteristics - Test methods - Part 8: Determination of transverse unevenness and crossfall indices

Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) - Part 1: General rules (IEC 23E/1223/CD:2020); Text in German and English

Petroleum and natural gas industries - Materials for use in H₂S-containing environments in oil and gas production - Part 2: Cracking-resistant carbon and low-alloy steels, and the use of cast irons (ISO 15156-2:2020); German version EN ISO 15156-2:2020

Photovoltaic (PV) module safety qualification - Part 2: Requirements for testing (IEC 82/1814/CDV:2020); German and English version EN IEC 61730-2:2018/prA1:2020

Project

DIN 4109-1

Sound insulation in buildings - Part 1: Minimum requirements

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DIN 4109-5

Sound insulation in buildings - Part 5: Increased requirements

Project

FprEN 673

Glass in building - Determination of thermal transmittance (U value) - Calculation method

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