000 00306nam a22001217a 4500
082 _a744.422
_bKEN
_cL-12, P-26
100 _aKenison, Ervin
245 _aMechanical Drawing
_cKenison, Ervin
260 _aUSA
_bAmerican Technical Society
_c1944
300 _a330 p.
_bill.
_c22 cm.
650 _aMCE
942 _cBK
999 _c4715
_d4715