000 00313nam a2200121 4500
027 _aBS 2070 : 1954
_q1954
041 _aeng
942 _cSD
110 _aBritish Standard Institution, London
245 _aBS 2070 : 1954 : Lunge nitrometers
260 _aLondon
_bBritish Standard Institution
500 _aSTD606
999 _c172658
_d172658