00266nam a22001097a 4500003000400000008004100004082002000045100001400065245003700079260003200116300000800148OSt240711b        |||||||| |||| 00| 0 eng d  aR671.5212bL38E  aLeake, K.  aElectric are welding 3rd edition  aLondonbNewness Tech.c1981  a135