Group I, equipment protection level Ma intended to remain functional in atmosphere endangered by firedamp and/or coal dust

Norma vydána dne 15.2.2013

Steel pipes for crafts pipelines. Specifications

Norma vydána dne 1.1.2014

Pipes from low-alloy steel for submsrine sea pipelines. General specifications

Norma vydána dne 1.1.2014

Steel and cast iron tubes and pipes with protective coatings. Technical requirements

Norma vydána dne 1.1.2014

Steel casing and tubing for petroleum and natural gas industries. General specifications

Norma vydána dne 1.7.2018

Steel weldes pipes for trunk gas pipelines, oil pipelines and oil products pipelines. Specifications

Norma vydána dne 1.1.2015

Steel pipes with defensive covering for main gas and oil pipelines. Specifications

Norma vydána dne 1.1.2014

Raw cow´s milk. Specifications

Norma vydána dne 1.7.2014

Mechanical clocks with signal. General specifications

Norma vydána dne 1.1.1986

Drinking milk. Specifications

Norma vydána dne 1.7.2014