000 00355nam a2200121 4500
027 _aBS 1553 : Part 3 : 1950
_q1950
041 _aeng
942 _cSD
110 _aBritish Standards Institution, London
245 _aBS 1553 : Part 3 : 1950 : Graphical symbols for compressing plant
260 _aLondon
_bBritish Standards Institution
500 _aSTD387
999 _c172424
_d172424