00364    a2200109   4500082001500000100001900015245007800034260004100112300001600153650006300169650002200232  a604.2bNAG  aNagpal, G. R.   aMachine drawing ba text book for diploma and degree engineering students  aDelhibKhanna Publishersc1991g1991  a351p.c25cm  aTechnical drawing  hazardous materials technology, history  aTechnical drawing