000 00497 a2200253 4500
001 1013872
020 _a3
041 _aeng
080 _a621.772 Bru
245 _aSheet metal : shop practice
250 _a3rd rev. ed
260 _aChicago
260 _bAmerican Technical Society,
260 _c1951
300 _avii,251 p.
300 _c21 cm
490 _a
100 _aBruce, Leroy F.
700 _a
650 _a
650 _aSheet-metal work
942 _cBK
942 _2UDC
999 _c92820
_d92820