| Sand and gravel mixtures for construction. Specifications
Смеси песчано-гравийные для строительных работ. Технические условия |
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MISC Regulations for Design and Safe OperationRegulations for Design and Safe Operation of … |
GOST 530-95Ceramic brick and blocks. Specifications |
RD РД 153-34.0-02.306-98Regulations for arrangement of air emission … |