GOST 25859-83

Quartz sand, ground sandstone, quartzite and veiny quartz for glass industry. General requirements for methods of analysis

Raised countersunk head wood screws. Construction and dimensions

Hexalobular socket pan head screws

Indoor air. Part 14. Determination of total (gas and particle phase) polychlorinated dioxin-like biphenyls (PCBs) and polychlorinated dibenzo-p-dioxins/dibenzofurans (PCDDs/PCDFs). Extraction, clean-up and analysis by high resolution gas chromatography and mass spectrometry

System of standards on information, librarianship and publishing. Articles in journals and collections. Publisher's presentation

Photovoltaic modules. safety qualification. Part 1. safety requirements