Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-27: Tests - Dust - Laminar flow (IEC 86B/4596/CD:2022); Text in German and English
Edition 2023-03

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-27: Tests; dust, laminar flow (IEC 61300-2-27:1995); German version EN 61300-2-27:1997
Edition 1998-09

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-27: Tests - Dust - Laminar flow
Edition 1997-10-09

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-27: Tests - Dust - Laminar flow (IEC 86B/4721/CDV) (english version)
Edition 2023-04-15

Fibre optic interconnecting devices and passive components. Basic test and measurement procedures. Part 2-27: Tests - Dust - Laminar flow
Edition 1997-08

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-27 : tests - Dust (laminar flow)
Edition 2024-06-14

Fibre optic interconnecting devices and passive components. Basic test and measurement procedures. Dust (laminar flow)
Edition 2024-06-19

Permeable sintered metal materials - Determination of fluid permeability (ISO 4022:2018); German version EN ISO 4022:2018
Edition 2018-12

Vacuum technology; terms and definitions; general terms
Edition 1990-05

Binders for paints and varnishes - Measurement of the dynamic viscosity of liquid resins; Resin solutions and oils by the capillary viscosimeter of isocelses type according to Ubbelohde
Edition 2002-11