Construction Design and Estimate Documentation. Standard graphic symbols for drawings of roads
СПДС. Условные графические обозначения на чертежах автомобильных дорог. |
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RD 5R.8713-93Radio Communication and Radar Equipment. … |
GOST 21558-2000Excitation system for turbogenerators, … |
SNiP 3.02.01-87Earthwork, Footings and Foundations |