000 003060000a22001210004500
008 160610b1955 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a621.75
_bL8
942 _cBK
100 _aLudwig, O.A.
245 _aMetalwork technology and practice
260 _aIllinois
_bMcknight & macknight
_c1955
999 _c13207
_d13207