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Electroacoustics. Hearing aids. Methods for characterising signal processing in hearing aids with a speech-like signal.
Available languages: English
Available design: PDF - Immediate download, Print design
Electroacoustics. Hearing aids. Definition and verification of hearing aid features.
Available languages: English
Available design: PDF - Immediate download, Print design
Electroacoustics. Hearing aids. Induction-loop systems for hearing aid purposes. System performance requirements.
Available languages: English
Available design: PDF - Immediate download, Print design
Electroacoustics. Hearing aids. Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes.
Available languages: English
Available design: PDF - Immediate download, Print design
Electroacoustics. Hearing aids. Methods of measurement of performance characteritics of hearing aids under simulated in situ working conditions.
Available languages: English
Available design: PDF - Immediate download, Print design
Electroacoustics. Hearing aids. Methods of measurement of the performance characteristics of bone conduction hearing aids.
Available languages: English
Available design: PDF - Immediate download, Print design
Ball and socket couplings of string insulator units. Dimensions.
Available languages: English
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Quartz crystal units of assessed quality. Generic specification.
Available languages: English
Available design: PDF - Immediate download, Print design
Quartz crystal units of assessed quality. Guidelines for the use.
Available languages: English
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Quartz crystal units of assessed quality. Standard outlines and lead connections.
Available languages: English
Available design: PDF - Immediate download, Print design