000 003010000a22001210004500
245 _aSheet metal : shop practice
100 _aBruce, Leroy F.
260 _aChicago
_bAmerican Technical Society
_c1959
300 _axi, 265p. : ill., photos
080 _a621.75
_bB7
041 _aEN
942 _cBK
999 _c52879
_d52879