Construction Design and Estimate Documentation. Standard graphic symbols for drawings of roads
СПДС. Условные графические обозначения на чертежах автомобильных дорог. |
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OST 39-204-86Oil Laboratory Method for Determination of … |
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RD Regulations Governing the Use of DispersantsRegulations Governing the Use of Dispersants in … |
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GOST 11533-75Automatic and semi-automatic submerged arc … |