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Design and construction of pressure of water supply and sanitation networks with the use of high-strength tubes made of cast iron with spheroidal graphite. With Amendments No. 1, 2
Document status: Active
Poliomyelitis prophylactics during the postcertified period
Document status: Replaced
Manifold for engineering networks. With Amendment No. 1
Document status: Active
Engineering geological survey for construction. General regulations for execution of work. With Amendment No. 1
Document status: Active
Protective structures of civil defense in underground mine workings
Document status: Active