000 00373nam a2200157Ia 4500
020 _a0444201068
082 _a671.823
_bWAS
100 _aWatkins, W.
_9125973
245 _aSheet metal fabrication
_c W. Watkins
260 _aLondon:
_bElsevier Publishing,
_c1971.
300 _b274p.
500 _aPB
546 _aEng
650 _aSheet metalwork
_9125974
942 _cBK
999 _c77172
_d77172