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Hearing aids. Specification for magnetic field strength in audio-frequency induction loops for hearing aid purposes | Status: Superseded, Withdrawn
Details
Publisher
BS
File size
243.86 KB
Pages
8
Format
PDF
Publication date
1981-12-31
ISBN-13
978-0-580-12492-1
ISBN-13 plain
9780580124921
ISBN-10
0580124924