Normas ISO

Update of the requirements for machinery rooms and emergency mechanical ventilation

Extenders -- Specifications and methods of test -- Part 20: Fumed silica

Extenders -- Specifications and methods of test -- Part 19: Precipitated silica

Information security -- Redaction of authentic data -- Part 1: General

Systems and software engineering -- Lifecycle profiles for Very Small Entities (VSEs) -- Part 4-2: Software engineering: Profile specifications: Organizational management profile group

Rubber, vulcanized or thermoplastic -- Determination of low-temperature stiffening (Gehman test)