Innovation management. Implementation of closed-loop economy general principles in the organizations. Part 3. Guidance for small and medium sized enterprises
Low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Electrical safety. Equipment for testing, measuring or monitoring of protective measures. Part 1. General requirements
Maintenance and repair system of building machinery. Jib crane and their components, being passed to and received from overhaul. Technical requirements
€10
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