Piezoelectric filters - Part 2: Guide to the use of piezoelectric filters - Section 2: Piezoelectric ceramic filters (IEC 60368-2-2:1996); German version EN 60368-2-2:1999
Edition 1999-08

Measurement of the Electrical Properties of Microwave Tubes; Part 6: High Power Clystrons
Edition 1978-02

Letter symbols in data sheets for electronic tubes
Edition 1971-05

Blank detail specification; quartz crystal units (capability approval); german version EN 168101:1992
Edition 1992-09

Integrated optics - Vocabulary - Part 1: Optical waveguide basic terms and symbols (ISO 11807-1:2021); German version EN ISO 11807-1:2021
Edition 2022-05

Measurement techniques of piezoelectric, dielectric and electrostatic oscillators - Part 3: Frequency aging test methods (IEC 62884-3:2018); German version EN IEC 62884-3:2018
Edition 2018-10

Temperature measurement - Part 1: Survey of laser spectroscopic methods
Edition 2000-04

Watches; nomenclature of watch parts
Edition 1989-11

Sectional specification: quartz crystal units (capability approval) (includes amendments A1 and A2:1993); German version EN 168100:1993
Edition 1993-06

Integrated optics - Vocabulary - Part 2: Terms used in classification (ISO 11807-2:2021); German version EN ISO 11807-2:2021
Edition 2022-05