State system for ensuring the traceability of measurements. Gas analyzers and gas alarm devices for determination of combustible gases and vapors in working zone air. Testing method
Occupational safety standards system. Protective clothing providing protection from chemicals. Part 4. Method for determination of resistance to penetration by a spray of liquid (spray test)
Lamp caps and holders for light sources together with gauges for the control of interchangeability and safety. Part 4. Guidelines and general information
Civil defense. Engineering and technical equipment of civil defense protective structures. Hermetic valves. General technical requirements. Test methods
€10
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