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Acoustics. Reference zero for the calibration of audiometric equipment. Reference threshold of hearing for te…

Road vehicles — Screened and waterproof spark-plug and its connection — Type 3

Overview ISO 3896:1986 - Road vehicles: Screened and waterproof spark-plug and its connection - Type 3 - is the third edition (1986) International Standard specifying the essential dimensional charac…

Acoustics — Reference zero for the calibration of audiometric equipment — Part 6: Reference threshold of hear…

Overview ISO 389-6:2007 - Acoustics - Reference zero for the calibration of audiometric equipment - Part 6 defines reference hearing threshold levels for short‑duration test signals used in audiometr…