| Approving the Regulations on the use of public water supply and sewerage systems in the Russian Federation
Об утверждении правил пользования системами коммунального водоснабжения и канализации в российской федерации |
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SanPiN 3223-85Maximum Permissible Workplace Noise Levels |
GOST 28570-90Concrete. Methods for determining strength … |
Rostrud 69Instructions for Filling in Work Record Books |