000 00308nam a2200121Ia 4500
008 220201s1992 xx 000 0 eng d
041 _aENG
100 _aIS:813-1986
245 0 _aSCHEME OF SYMBOLS FOR WELDING
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1992
300 _a27
942 _2ddc
999 _c60525
_d60525