Timber elements and products for building. Method of determining conditional water permeability of water protecting finishes and impregnating compounds
Electric plugs connectors for household and similar purposes. Part 2-4. Particular requirements for plugs and socket-outlets for SELV and methods of tests
The best available techniques. Methodological recommendations on the procedure for assessing the conformity of technological processes, equipment, technical methods, methods used at an object that has a negative impact on the environment, with the best available techniques when considering an application for an integrated environmental permit
