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prEN ISO 20500-7
Mobile road construction machinery - Safety - Part 7: Specific requirements for slipform paver and texture curing machines (ISO/DIS 20500-7:2020)
prEN ISO 20505
Fine ceramics (advanced ceramics, advanced technical ceramics) - Mechanical properties of ceramic composites at room temperature - Determination of the interlaminar shear strength and shear modulus of continuous-fibre-reinforced composites by the compression of double-notched test pieces and by the Iosipescu test
prEN ISO 20537
Footwear - Identification of defects during visual inspection - Vocabulary(ISO/DIS 20537:2023)
prEN ISO 20553
Radiation protection - Monitoring of workers occupationally exposed to a risk of internal contamination with radioactive material (ISO/DIS 20553:2023)
prEN ISO 20686
Footwear - Critical substances potentially present in footwear and footwear components - Determination of certain organic solvents (ISO/DIS 20686:2023)
prEN ISO 20769-1 rev
Non-destructive testing - Radiographic inspection of corrosion and deposits in pipes by X- and gamma rays - Part 1: Tangential radiographic inspection
prEN ISO 20769-2 rev
Non-destructive testing - Radiographic inspection of corrosion and deposits in pipes by X- and gamma rays - Part 2: Double wall radiographic inspection
prEN ISO 20770-1
Drilling and foundation equipment - Safety - Part 1: Common requirements
prEN ISO 20770-2
Drilling and foundation equipment - Safety - Part 2: Mobile drill rigs for civil and geotechnical engineering, quarrying and mining
prEN ISO 20770-3
Drilling and foundation equipment - Safety - Part 3: Foundation equipment
