Safety and control devices for gas burners and gas burning appliances. Automatic shut-off valves for operating pressure of above 500 kPa up to and including 6 300 kPa
State system for ensuring the uniformity of measurements. State primary standard and all-union verification schedule for means measuring electrical capacity
General test methods for insulating and sheathing materials of electric and optical cables. Measurements of thickness and overall dimensions. Tests for determining the mechanical properties
€10
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