Roofing and hydraulic-insulating flexible bitumen-based and polymeric (thermoplastic or elastomer) materials. Method for determination of resistance to root penetration
State system for ensuring the uniformity of measurements. State verification schedule for means, measuring laser output average power and laser pulse energy within the wavelength range of 0,3 to 12,0 um
Noise of machine. Determination of power levels of noise sources using sound pressure. Survey method using an enveloping measurement surface over a reflecting plane
€10
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