System of national standards in the field of quality of a telecommunication service. Evaluation of the quality of communication services on the basis of consumer views
Anodic earthing of the electrochemical protective installations against corrosion of underground metal constructions. Methods for determining the biocorrosion aggressiveness of soils and their impact on underground metal constructions
Foods of plant origin. Multiresidue methods for the gas chromatographic determination of pesticide residues. Part 2. Methods for extraction and cleanup
€10
Ask a question
Message sent
Your message has been sent. Our experts will respond you shortly. Thank you!