000 00430 a2200241 4500
001 260745
020 _a
041 _aeng
080 _aDBSI 3677 - 1989
245 _aHigh-pressure mercury vapour lamps
250 _a
260 _aLondon
260 _bBSI
260 _c1989
300 _avar. pags.
300 _c
856 _u
490 _aBSI 3677 - 1989
700 _a
650 _a
650 _a
942 _cPP
942 _2UDC
999 _c212976
_d212976