Design Objectives for Liquid Crystal Displays for Part 25 (Transport) Aircraft
Edition 2001-12-14

GLASS, NOMENCLATURE AND TERMINOLOGY. CRYSTAL. CRYSTAL GLASS
Edition 1979-05-15

Generic specification and test methods of quartz crystal units
Edition 2021-03-22

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Edition 2019-08-29

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Edition 2024-06-13

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Edition 1996-11-01

SS: QUARTZ CRYSTAL UNITS (QUALIFICATION APPROVAL). (Endorsed by AENOR in September of 1996.)
Edition 1996-09-01

SS: QUARTZ CRYSTAL UNITS (QUALIFICATION APPROVAL). (Endorsed by AENOR in September of 1996.)
Edition 1996-09-01

Fine ceramics (advanced ceramics, advanced technical ceramics). Test method for crystalline quality of single-crystal thin film (wafer) using XRD method with parallel X-ray beam
Edition 2020-08-26

BS EN 61747-20-2. Liquid crystal display devices. Part 20-2. Visual inspection of monochrome matrix liquid crystal display modules (Excluding all active matrix liquid crystal display modules)
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