000 00788cam a22002531 4500
001 med48000923
003 DLC
005 20260227111610.0
008 790827s1947 enka b f000 0 eng
010 _amed48000923
035 _a(OCoLC)5316094
040 _aDLC
_cOCl
_dOCoLC
_dDLC
042 _apremarc
050 0 0 _aRF300
_b.M4 1947
082 _a617.8078
110 2 _aMedical Research Council (Great Britain).
_bCommittee on Electro-acoustics.
245 0 0 _aHearing aids and audiometers;
_breport.
260 _aLondon,
_bH.M. Stationery Off.,
_c1947.
300 _aiv, 71 p.
_bdiagrs.
_c25 cm.
410 2 0 _aMedical Research Council (Great Britain)
_tSpecial report series,
_vno. 261
504 _aIncludes bibliographies.
650 0 _aHearing aids.
650 0 _aAudiometry.
999 _c38951
_d38951