Betterley, Melvin L.
Sheet metal drafting / Melvin L. Betterley. - Second edition - vi, 314 pages : illustrations ; 24 cm.
Includes index.
0070051267 9780070051263
77002764
Sheet-metal work--Patternmaking.
Mechanical drawing.
TS250 / .B4 1978
604/.2/671
Sheet metal drafting / Melvin L. Betterley. - Second edition - vi, 314 pages : illustrations ; 24 cm.
Includes index.
0070051267 9780070051263
77002764
Sheet-metal work--Patternmaking.
Mechanical drawing.
TS250 / .B4 1978
604/.2/671