Occupational safety standards system. Protective clothing for use against liquid and gaseous chemicals, including aerosols and solid particles. Method for determination of leak-tightness of gas-tight suits
State system for ensuring the uniformity of measurements. Standard reference data. Armko iron. Nickel. Temperature coefficient linear expansion and electrical resistivity in the temperature range from 300 K to 1000 K
Low-voltage electrical distribution network up to 1000 V a.c. and 1500 V d.c. Electrical safety. Equipment for testing, measuring or monitoring of protective measures. Part 6. Effectiveness of residual current devices (RCD) in TT, TN and IT systems
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