00269nam a2200109Ia 4500008004100000041000800041082000800049100002300057245003700080260003400117300000800151211209s1971    xx            000 0 und d  aeng  aLAK  aLAKSHMINARAYAN M L  aTEXT BOOK OF MECHANICAL DRAWING   aNEW DELHIbJAIN BROTHERc1971  a269