00466nam a22001097a 4500999001700000245015900017260005800176300001000234650001700244942000700261952008800268  c16266d16266  aIS 10776-1: 1984-Methods of measurement of electroacoustical characteristics of hearing aids, Part 1: General measurements for air-conduction hearing aids  aNew Delhi :bBureau of Indian Standards (BIS),c1984.  a25 p.  aHearing aids  cST  00104070aAIISHbAIISHd2020-06-23l0pST053r2020-06-23 00:00:00w2020-06-23yST