Optics and optical instruments - Test lenses for calibration of focimeters - Part 1: Reference lenses for focimeters used for measuring spectacle lenses (ISO 9342-1:2023); German version EN ISO 9342-1:2023
Edition 2023-10

Determination of moisture content of autoclaved aerated concrete; German version EN 1353:1996
Edition 1997-02

Determination of flexural strength of autoclaved aerated concrete; German version EN 1351:1997
Edition 1997-02

Determination of static modulus of elasticity under compression of autoclaved aerated concrete or lightweight aggregate concrete with open structure; German version EN 1352:1996
Edition 1997-02

Ophthalmic optics - Uncut finished spectacle lenses - Part 1: Specifications for single-vision and multifocal lenses (ISO 8980-1:2017); German version EN ISO 8980-1:2017
Edition 2017-12

Ophthalmic optics - Uncut finished spectacle lenses - Part 2: Specifications for power-variation lenses (ISO 8980-2:2017); German version EN ISO 8980-2:2017
Edition 2017-12

Concept for the design of 3D models based on properties according to DIN 4000 - Part 77: Cutting inserts for profiling and shaping, indexable
Edition 2023-05

Tool holder with prism; form D with cylindrical seat
Edition 1989-04

Ophthalmic instruments - Refractor heads (ISO 10341:2012); German version EN ISO 10341:2012
Edition 2013-04

Eye and face protection - Test methods - Part 1: Geometrical optical properties (ISO/DIS 18526-1:2018); German and English version prEN ISO 18526-1:2018
Edition 2018-08