| Civil Defense Engineering
Инженерно-технические мероприятия гражданской обороны |
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MinNR Приказ N 30-r от 26.05.95State committee of the Russian Federation for … |
MISC NDTP Order 38 of 07-19-90Ndtp Order 38 of 07-19-90 Proccess Design of … |
GOST 19281-89Rolled steel with increased strength. General … |