000 00500nam a2200133Ia 4500
008 220407s9999 xx 000 0 und d
040 _cATVERC
050 _aTA 492 .H76 1982 v.4
245 0 _aWeld quality assurance and quality control : section four : discontinuities and defects, videotape, instructors guide
260 _aOhio, USA
_bHobart School of Welding Tech.
_cc1982
300 _a[various pagings] : ill. ; 28 cm.
_c28 cm
650 _aWelding -- Quality Assurance
999 _c18319
_d18319