Occupational safety standards system. Personal protective means of hands. Protective gloves against dangerous chemicals and micro-organisms. Part 4. Determination of resistance to degradation by chemicals
State system for ensuring the uniformity of measurements. State special standard and all-union verification schedule for means measuring volumetric flow of water within the range of 2,8x10 in minus 8 degree up to 2,8x10 in minus 2 degree m3/sec
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