000 00337nam a2200073 4500
080 _a
_b
245 _aBS: 89 - Part 1 - 1990; Direct Acting Indicating Analogue Electrical Measuring Instruments and their Accessories Part 1 Specification for defenitions and General Requirements Common to all Parts
700 _aBritish Standards Institution
260 _aLondon
_bBSI
_c1990
300 _a40p
999 _c35956
_d35956