00552nam a2200169Ia 4500100003200000650002400032942000700056366000700063654001500070245006800085260003700153082001500190300000800205546001200213999001700225952014000242  aBureau of Indian Standards   aEngineering Drawing  cBK  f60  aSP 46:2003  aEngineering Drawing practice for schools and colleges SP46:2003  bBureau of indian standardsc1989  a604.2bBIS  a205  aENGLISH  c18701d18701  001040708CRCaCRCEbCRCEd2023-03-17eB.I.Sg864.00i0004885 dt 09/02/2010l0o604.2 BISp20377r2023-03-17v2160.00w0000-00-00yBK