TY - GEN AU - Macrae,John AU - Dillon,Harvey ED - National Acoustic Laboratories (Australia) TI - Updated performance requirements for hearing aids SN - 0644013389 PY - 1986/// CY - Canberra PB - : AGPS KW - Hearing aids KW - E.007.814.458 KW - standards (qualifier) KW - REG.080.001 KW - Australia (geographic subheading) KW - Australia (country of publication) N1 - References ER -