Normas ISO

Sharing economy — General principles

Coated abrasives — Determination and designation of grain size distribution — Part 2: Macrogrit sizes P12 to P220

Coated abrasives — Determination and designation of grain size distribution — Part 3: Microgrit sizes P240 to P5000

Information technology — Top-level ontologies (TLO) — Part 2: Basic Formal Ontology (BFO)

Tourism and related services — Heritage hotels — Equipment and service requirements

Iron ores — Determination of various elements by X-ray fluorescence spectrometry — Part 4: Performance-based method using fusion preparation method