Recommended practice for gas chromatographic measurement of concentrations of propylene oxide, toluene, acetaldehyde, propionic aldehyde ethylbenzene and styrene in the air of the working zone

Die Norm herausgegeben am 28.9.1989

Recommended practice for gas chromatographic measurement of concentrations of ethylene oxide and propylene oxide, chloromethyl in the air of the working zone

Die Norm herausgegeben am 28.9.1989

Recommended practice for fluorometric measurement of concentrations of acetylsalicylic (2-acetyloxybenzoic) acid (aspirin) in the air of the working zone

Die Norm herausgegeben am 28.9.1989

Automatic process control system in gas industry. Metrological assurance. General provisions.

Die Norm herausgegeben am 3.5.2000

Basic of masonry technology. Methodics

State system for ensuring the uniformity of measurements. Documents for verification methods of measuring instruments. Basic statements

Die Norm herausgegeben am 1.5.2003

Engineering surveys for construction. Production of laboratory studies of the physical and mechanical properties of soils

Die Norm herausgegeben am 1.1.1985

Sound protection

Die Norm herausgegeben am 20.5.2011

Instructions for designing of utility networks and sewage systems in permafrost soils areas

Die Norm herausgegeben am 1.1.1980

Heating points and internal heat supply systems

Die Norm herausgegeben am 26.2.2022