00317nam 2201517 45000010005000000030023000050050009000280080041000370820010000781000009000882600021000972500019001182450048001371517StarLibrary Marc Built20180713201711 ||||| |||||||||||amh  a720.9 agary binstitute of engg aالطبعة 2 aworkshop technology (manufacturing process)