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Noise of machines. Determination of sound power levels using sound pressure. Precision methods for reverberation rooms
Document status: Withdrawn
Seat stoppers for screwed fittings for tube connections on external cone. Construction and dimensions
Document status: Active
Organic fertilizers. Method for determination of total potassium
Document status: Active
Dry building waterproof penetrating mixes based on cement binder. Specifications
Document status: Active
Civil defence. Engineering and technical equipment of civil defence constructions. Protective-hermetic and hermetic doors, gates and shutters for shelters. General technical requirements and control methods
Document status: Active