State system for ensuring the uniformity of measurements. State verification schedule for means measuring of hardness on Rockwell and Super-Rockwell scales
State system for ensuring the uniformity of measurements. Optical power meters, optical radiation sources, return loss meters and optical testers for fiber-optical transfer systems. Verification method
Occupational safety standards system. Personal protective means of hands. Protective gloves against dangerous chemicals and micro-organisms. Part 2. Determination of resistance to penetration
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