Environmental protection. Water. General requirements for methods for determining petroleum products in natural waters and wastewater
Охрана природы. Гидросфера. Общие требования к методам определения нефтепродуктов в природных и сточных водах. |
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Rosstroy Постановление N 18-23 от 27.03.98The Russian Federation state committee for … |
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GOST 19903-74Hot-rolled sheet steel. Range of dimensions |
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GGTN 4537Approval of general explosion safety rules for … |