000 00335nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c250
040 _aET
100 _agupta Prof.P.B.
245 0 _afundamental of engineering drawings
260 _bSatya Prakashan
_aNEW DELHI
300 _a512
500 _a60497
942 _cBK
999 _c66460
_d66460