SPDS. Standard graphic symbols for drawings of roads
СПДС. Условные графические обозначения на чертежах автомобильных дорог |
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KZ Приказ 245 от 21.10.2009Industrial safety requirements for the design … |
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Rostrud pot rm 016-2001 rd 153-34-0-03-150-00Safety Rules Occupational Health |
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GOST 12.2.013.0-91Electric hand tools |