00363nam a2200133Ia 4500008004100000082001600041100001700057245003900074250000600113260004400119300000800163650003400171653002400205170901s1982    xx            000 0 und d  a604.2bD38T  aDhawan, R.K. 2aA text book of Engineering Drawing  a8  aLudhianabKatson Publishing Housec1982  a114  aTechnology (Applied sciences)  aEngineering drawing