Instruction on magnetic soldering of steel pipes

Die Norm herausgegeben am 8.7.1980

Engineering and technical measures of civil defense

Die Norm herausgegeben am 1.12.2014

Recommended practice for a separate photometric determination of benzene, toluene and isomers (meta-, ortho-, para-) of xylene in the air

Die Norm herausgegeben am 18.4.1977

Technical advice on the provision of quality of concrete mixtures and mortars and prevention of corrosion of concrete of reinforced concrete structures

Die Norm herausgegeben am 9.3.2005

Methodical instructions for colorimetric determination of dimethylformamide in air

Die Norm herausgegeben am 18.4.1977

Urban road tunnels and tunnel type flyovers with a length of covered part up to 300 meters. Fire safety requirements

Die Norm herausgegeben am 15.12.2014

Fire saving cord. General technical requirements. Test methods

Die Norm herausgegeben am 1.2.1998

State system for ensuring the uniformity of measurements. Electronic phase meters. Verification procedure

Die Norm herausgegeben am 1.7.1988

Recommended practice for photometric determination of butyric anhydride in the air

Die Norm herausgegeben am 18.4.1977

State system for ensuring uniformity of measurements. Stakes and supports for gage heads. Methods of control

Die Norm herausgegeben am 23.3.1987