Residual current operated circuit-breakers without integral overcurrent protection for house and similar uses (RCCB`s). Part 2-1. Applicability of the general rules to RCCB`s functionally independent of line voltage
Carbonaceous materials used in the production of aluminium. Baked anodes and cathode blocks. Part 2. Determination of apparent density and of open porosity using hydrostatic method
Occupational safety standards system. Hearing protectors. Simplified method for the measurement of insertion loss off ear-muff type protectors for quality inspection purposes
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