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Renovation of steel underground gas pipelines used sintetic flexible pipes and complicated adhesiyes
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Water supply and water disposal. Rules of engineering and works at restoration of pipelines by flexible polymeric sleeves. With Amendment No. 1
Document status: Active
The block of initial classes with the preschool department at the educational institutions. Fire safety requirements
Document status: Active
Sanitary rules for pitches transportation and for work with pitches
Document status: Active