Roofing and hydraulic-insulating flexible bitumen-based and polymeric (thermoplastic or elastomer) materials. Method for determination of water vapour transmission properties
State system for ensuring the uniformity of measurement. State special standard and all-union verification schedule for means measuring radiation field parameters of antenna systems with operating dimensions of apertures from 0,1 to 0,4 m at the frequency range from 2,5 to 12 GHz
System of standards on information, librarianship and publishing. Information and documentation. Records management. The logical structure, the composition of metadata for records and the requirements for their content
€25
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