000 00285nam a2200109Ia 4500
008 220201s1965 xx 000 0 eng d
100 _aMinistry Of Labour
245 0 _aFlame arresters & Explosion relief
260 _bHer Mejesty Stationary office
_c1965
300 _a55
942 _2ddc
999 _c75518
_d75518