000 00259nam a2200085 4500
080 _a
_b
245 _aBS EN: 60255-23-1997,IEC 60255-23:1994: Electrical Relays,part 23: Contact performance.
100 _aBRITISH STANDARDS INSTITUTION
260 _aLondon
_bBSI
_c1997
300 _a38
020 _a0-580-27377-6
999 _c37326
_d37326