000 00249nam a22000977a 4500
082 _a671.5212 COV'E
245 _aCOVERED ELECTRODES FOR THE METAL ARC WELDING OF MILD STEEL
260 _aLONDON
_bBRITISH STANDARD
_c1952
300 _a33P
942 _cBK
999 _c582969
_d582969