000 00332nam a2200073 4500
080 _a
_b
245 _aBS-00089 - Part 3 - 1990; Direct Acting Indicating Analogue Electrical Measuring Instruments and their Accessories Part 3 Specification for Special Requirements for Wattmeters and Varmeters
700 _aBritish Standards Institution
260 _aLondon
_bBSI
_c1990
300 _a16p
999 _c36066
_d36066