000 00269nam a2200121Ia 4500
008 220201s1951 xx 000 0 eng d
082 _a621.8672
100 _aBeacham,TE
245 0 _aPipe resistance
260 _bLondon:F.N.Spon
_c1951
300 _a61
942 _2ddc
999 _c74315
_d74315