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STLB-Bau LB 091
Hourly rate work
EN 12953-6
Shell Boilers - Part 6: Requirements for equipment for the boiler
DIN EN 12953-6
Shell Boilers - Part 6: Requirements for equipment for the boiler; German version EN 12953-6:2024
prEN 149 rev
Respiratory protective devices - Filtering half masks to protect against particles - Requirements, testing, marking
DIN EN 149 rev
Respiratory protective devices - Filtering half masks to protect against particles - Requirements, testing, marking
prEN ISO 10928
Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes and fittings - Methods for regression analysis and their use (ISO 10928:2024)
DIN EN ISO 10928
Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes and fittings - Methods for regression analysis and their use (ISO 10928:2024), German and English version prEN ISO 10928:2024
DIN EN 18069
Guidelines for the installation and operational implementation of continuous measuring systems
prEN 18069
Water quality - Minimum requirements for the selection, installation, validation, and operation of continuous measuring devices
00264248
Ambient air - Definition and use of modelling quality objectives for air quality assessment