000 00564 a2200241 4500
001 277220
020 _a
041 _aeng
080 _aDBSI 4099 : part - 1 : 1986
245 _aColours of indicator lights, push-buttons, annunciators and digital readouts : part - 1 : specification for colours of indicator lights and push-buttons
250 _a
260 _aLondon
260 _bBSI
260 _c1986
300 _a9 p.
300 _c
856 _u
490 _aBSI 4099 : part - 1 : 1986
700 _a
650 _a
650 _a
942 _cPP
942 _2UDC
999 _c235040
_d235040