000 00523 a2200241 4500
001 277930
020 _a
041 _aeng
080 _aDBSI 6713 : part - 4 : 1986
245 _aExplosion protection systems : part - 4 : method for determination of efficacy of explosion suppression systems
250 _a
260 _aLondon
260 _bBSI
260 _c1986
300 _a4 p.
300 _c
856 _u
490 _aBSI 6713 : part - 4 : 1986
700 _a
650 _a
650 _a
942 _cPP
942 _2UDC
999 _c235840
_d235840