Occupational safety standards system. Machines and equipment for timber logging and floating. Safety requirements, control methods for safety requirements and evaluation of labour safety
Technical condition monitoring of the unique buildings and constructions. Rules of design and installation of permanent systems (stations) of monitoring
Communication aids for blind persons. Identifiers, names and assignation to coded character sets for 8-dot Braille characters. Part 1. General guidelines for Braille identifiers and shift marks
€10
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