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Dental root-canal instruments. Part 1. Files reamers, Barbed broaches, rasps, paste carriers, explorers and cotton broaches

Document status: Replaced by GOST R 50351.1-92

Best available techniques. Biodiversity. Terms and definitions

Document status: Active

Nature protection. Soils. General requirements for sampling

Document status: Active

Resources saving. Sewage sludge. Requirements for recultivation of disturbed lands

Document status: Active

Environmental management. Guidance for organizational safeguards application and risk assessment. Native zone protection. General aspects and monitoring

Document status: Active

Drinking water. Methods for determination of total mercury by flameless atomic absorption spectrometry

Document status: Cancelled