000 00397nam a22001217a 4500
082 _a371.271
_bREF
_cL-36,P-78
100 _aWilliam clowes and sons ltd
245 _aThe engineering joint examination board
_cWilliam clowes and sons ltd
260 _aLondon
_bPublished under the authority of the engineering joint examination board
_c1950
300 _bill,;
_c20 cm.
650 _aMCE
942 _cBK
999 _c13999
_d13999