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Certificates and admissions
- Quality control according to DIN EN ISO 9001
- Environmental management system according to DIN EN 14001
- Admission to welding service according to DIN EN 18800 part 7
- Hydco®: admission to use in the underground conditions according to the test results DSK – Deutschen Steinkohle AG
- Welding on: admission to use in the underground conditions according to the test results DSK – Deutschen Steinkohle AG
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