000 00333nam a2200133Ia 4500
008 220201s1971 xx 000 0 eng d
041 _aENG
100 _aDHAWAN, R K
245 0 _aTEXTBOOK OF ENGINEERING DRAWING
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1971
300 _a596
700 _aKUMAR
942 _2ddc
999 _c45180
_d45180