000 00468nam a22001577a 4500
999 _c4488
_d4488
008 200806b ||||| |||| 00| 0 eng d
082 0 0 _a628.532
_bB9169
110 _9746
_aBritish Standards Institution
245 1 0 _a Recommendations for the construction of simple smoke viewers
_cby British Standards Institution
250 _a1st ed.
260 _aLondon
_bBritish Standards Institution
_c1957
300 _a12 p.
365 _d2.25
650 0 _asmoke
942 _cBK