TY  - BOOK
AU  - Mandl,Matthew
TI  - Hearing aids: their use, care, and repair
AV  - RF300 .M3
U1  - 617.89 MAN 
PY  - 1953///]
CY  - New York
PB  - Macmillan
KW  - Hearing aids
N1  - The modern hearing aids // the new user // method of wear // the molded earpiece // care of hearing aid // battery care and storage // making minor repairs // electronic repair factors // servicing procedures and typical troubles // future trends // index //
ER  -