000 00470 a2200265 4500
001 358172
020 _a
041 _aeng
080 _a690.26TOW
245 _aStair building
250 _a
260 _aLondon
260 _bTechnical Press Ltd.
260 _c1954
300 _a200 p.
300 _c
490 _a
100 _aTownsend, Gilbert.
700 _a
650 _a
650 _aBuilding industry
650 _a
942 _cBK
942 _2UDC
999 _c158446
_d158446