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	21.	No cover image available CEI IEC 60645-1. Electroacoustics- audiological equipment. Part 1: Pure-tone audiometers by International Electrotechnical Commission Material type: Text; Format: print ; Literary form: Not fiction Geneva IEC 2001 Availability: Items available for loan: National Acoustic Laboratories (1)Call number: CEI IEC 60645-1. Place hold Add to cart (remove)
	22.	No cover image available CE IEC 60118-4. Amendment 1. Hearing aids - part4: Magnetic field strength in audio-frequency induction looops for hearing aid purposes by International Electrotechnical Commission Material type: Text; Format: print ; Literary form: Not fiction Publication details: Geneva IEC 1998 Availability: Items available for loan: National Acoustic Laboratories (1)Call number: CEi IEC 60118-4. Place hold Add to cart (remove)
	23.	No cover image available CEI IEC 60118-14. Hearing aids. Part 14: Specifications of a digital interface device by International Electrotechnical Commission Material type: Text; Format: print ; Literary form: Not fiction Publication details: Geneva IEC 1998 Availability: Items available for loan: National Acoustic Laboratories (1)Call number: CEI IEC 60118-14. Place hold Add to cart (remove)
	24.	No cover image available CEI IEC 60118-6. Hearing aids - Part 6: Characteristics of electrical input circuits for hearing aids by International Electrotechnical Commission Edition: 2nd Material type: Text; Format: print ; Literary form: Not fiction Publication details: Geneva IEC 1999 Availability: Items available for loan: National Acoustic Laboratories (1)Call number: CEI IEC 60118-6. Place hold Add to cart (remove)
	25.	No cover image available Fifth International Conference on Cognitive Hearing Science for Communication. [9 –12 June 2019 Linköping, Sweden] [Conference Abstracts] by Fifth International Conference on Cognitive Hearing Science for Communication. [9 –12 June 2019 Linköping, Sweden] Material type: Text; Format: print ; Literary form: Not fiction Publication details: Sweden Linkoping University 2019 Online resources: Click here to access online Availability: Items available for loan: National Acoustic Laboratories (1)Call number: Digital. Place hold Add to cart (remove)
	26.	No cover image available P. 82. ITU-T. Telephone transmission quality subjective opinion tests. Method for evaluation of service from the standpoint of speech transmission quality. by International Telecommunication Union Material type: Text; Format: print ; Literary form: Not fiction Publication details: Geneva ITU 1993 Availability: Items available for loan: National Acoustic Laboratories (1)Call number: ITU-T. P. 82. Place hold Add to cart (remove)

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