John, K.C.
Textbook of machine drawing - Delhi PHI Learning 2009 - vii, 346p.
9788120337213
Machinery -- Drawings.
Machine design.
621.815 JOH/T
Textbook of machine drawing - Delhi PHI Learning 2009 - vii, 346p.
9788120337213
Machinery -- Drawings.
Machine design.
621.815 JOH/T