000 00311cam a2200121 4500
020 _a0721740073 (pbk.)
100 1 _aSTREFFORD John
245 _aMetalwork technology/
_cJohn Strefford.
260 _a[..]:
_bSchofield and Sims Ltd.,
_c1976.
300 _a93 p.
650 _aMETALWORK
945 _i43250-1001
_rY
_sY
999 _c27903
_d27903