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prEN ISO 20770-2
Drilling and foundation equipment - Safety - Part 2: Mobile drill rigs for civil and geotechnical engineering, quarrying and mining
STLB-Bau LB 006
Special geotechnical work
ATV DIN 18322 AA
Underground cable laying work
STLB-Bau LB 051
Underground cable laying work
ISO/TC 220
Cryogenic vessels
NA 005-55-74-03 AK
Low-frequency Sound
CEN/TC 288/WG 22
Deep mixing
CEN/TC 288
Execution of special geotechnical works
ISO/TC 153/WG 12
Isolating valves for low-temperature applications
ISO/TC 131/SC 7/WG 10
Low temperature sealing capability of elastomeric seals