Roofing, hydraulic-insulating, flexible, bitumen-based materials and polymeric (thermoplastic or elastomer) materials. Method determination of watertightness
State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of alternate electrical voltage to 1000 V in the frequency range from 1-10 in minus 2 degree up to 2-10 in 9 degree Hz
Energy conservation. Energy consuming equipment in general industrial application. Kinds. Types. Groups. Indicators of energy efficiency. Identification
€10
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