000 | 00517 a2200241 4500 | ||
---|---|---|---|
001 | 276025 | ||
020 | _a | ||
041 | _aeng | ||
080 | _aDBSI 6083 : part - 6 : 1984 | ||
245 | _aHearing aids : part - 6 : specification for characteristics of electrical input circuits for hearing aids | ||
250 | _a | ||
260 | _aLondon | ||
260 | _bBSI | ||
260 | _c1985 | ||
300 | _a3 p. | ||
300 | _c | ||
856 | _u | ||
490 | _aBSI 6083 : part - 6 : 1984 | ||
700 | _a | ||
650 | _a | ||
650 | _a | ||
942 | _cPP | ||
942 | _2UDC | ||
999 |
_c233812 _d233812 |