000 00312nam a2200121Ia 4500
008 170101s1968 xx 000 0 und d
082 _a671.52 S99W
245 0 _aWeld imperfections; proceedings
260 _bReading,U.S.
_c1968
650 _aWELDING -- TESTING
653 _aWELDING -- TESTING
942 _2ddc
_cB
999 _c32112
_d32112