Normas ISO

Fluorspar -- Technical grades -- Chemical composition and physical characteristics

Information technology -- Open Systems Interconnection -- Systems Management: Change over function

Displacement compressors -- Acceptance tests

Mapping to A-UNIT-DATA and built-in operations

Information technology -- Telecommunications and information exchange between systems -- X.25 DTE conformance testing-- Part 1: General principles

Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Specification, functional model and information flows -- Call offer supplementary service