00271nam a2200109Ia 4500008004100000041001200041100001300053245003500066260003500101300000800136650001700144221030s9999    xx            000 0 und d  aEnglish  aS. Singh 0aWorkshop Practicecby S. Singh  bS. K. KatariaaNew Delhic2003  a257  aBB Mechanics