00885nam a2200265 i 450099100091016970753620020507103112.0951204s1971 uk ||| | eng b10146921-39ule_instLE00638995ExLDip.to Fisicaita53.2.853.2.82TK4660Meleka, A.H.461781Electron-beam welding :principles and practice /edited by A.H. MelekaLondon :McGraw-Hill Book Co.,1971331 p.Electron beam welding.b1014692121-09-0627-06-02991000910169707536LE006 53.9.1 MEL12006000056823le006-E0.00-l- 00000.i1017494127-06-02Electron-beam welding186511UNISALENTOle00601-01-95ma -enguk 01