000 00307nam a2200133Ia 4500
100 _aKratfel/ E.R.
942 _cBK
654 _aModern sheet metal
245 _aIntrod. to modern sheet metal
260 _bReston Publishing & Co
_aU.S.A.
_c1976
082 _a671.823
300 _a241
546 _aENGLISH
999 _c34198
_d34198