Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 1: Quality requirements for apparatus, components, appliances and accessories (ISO 28721-1:2008)

WITHDRAWN published on 28.12.2011

Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 2: Designation and specification of resistance to chemical attack and thermal shock (ISO 28721-2:2008)

WITHDRAWN published on 28.12.2011

Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 2: Designation and specification of resistance to chemical attack and thermal shock (ISO 28721-2:2015)

WITHDRAWN published on 10.2.2016

Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 4: Quality requirements for glass-lined flanged steel pipes and flanged steel fittings (ISO 28721-4:2010)

WITHDRAWN published on 29.10.2013

PARALLEL PINS WITH INTERNAL THREAD, UNHARDENED. (ISO 8733:1986).

WITHDRAWN published on 23.4.1993

PARALLEL PINS, HARDENED (DOWEL PINS). (ISO 8734:87)

WITHDRAWN published on 12.5.1993

PARALLEL PINS WITH INTERNAL THREAD, HARDENED. (ISO 8735:87)

WITHDRAWN published on 12.5.1993

GROOVED PINS. FULL-LENGTH PARALLEL GROOVED, WITH PILOT. (ISO 8739:1986).

WITHDRAWN published on 12.5.1993

GROOVED PINS. FULL-LENGTH PARALLEL GROOVED, WITH CHAMFER. (ISO 8740:1986).

WITHDRAWN published on 12.5.1993

GROOVED PINS. HALF-LENGTH REVERSE TAPER GROOVED. (ISO 8741:1986).

WITHDRAWN published on 12.5.1993