Normas ISO

High yield strength steel plates and wide flats for cold forming -- Delivery conditions

Optics and photonics -- Interferometric measurement of optical elements and optical systems-- Part 2: Measurement and evaluation techniques

Metallic materials -- Steel -- Method of test for the determination of brittle crack arrest toughness, Kca

Gas analysis -- Purity analysis and the treatment of purity data

Reciprocating internal combustion engines -- Exhaust emission measurement-- Part 9: Test cycles and test procedures for measurement of exhaust gas smoke emissions from compression ignition engines using an opacimeter

Imaging materials -- Reflection colour photographic prints -- Method for testing stability under low humidity conditions