000			004710000a22001930004500
008			160526b1957 xxu||||| |||| 00| 0 eng d
041			_aeng
080			_a621.9 _bD6
942			_cBK
100			_aDonaldson, Cyril
100			_aLeCain, George
245			_aTool Design
250			_a2nd ed.
260			_aNew york _bMc Graw-hill _c1957
300			_avii, 557p.: ill.
650			_aTOOL DESIGNING-drafting
650			_aproperties of materials
650			_aWELDING
999			_c11313 _d11313