000 00471nam a22001817a 4500
003 Ost
005 20200626115537.0
008 200626b ||||| |||| 00| 0 eng d
020 _a8121914310
040 _cBT-PhCST
050 _aD912
082 _222
_a604.202
100 _aDhawan, R. K.
245 _aA textbook of engineering drawing :
_bgeometrical drawing /
260 _bS Chand and company Ltd,
_cc1997.
300 _a 280,p, ;
_bNA
_c24 cm.
942 _2ddc
_cCIVIL
999 _c4199
_d4199