TY  - BOOK
AU  - Betterley,Melvin L.
TI  - Sheet metal drafting
SN  - 0070051267
PY  - 1978///
CY  - McGraw-Hill, New York
PB  - Gregg Division
KW  - Sheet
KW  - metal work
KW  - Pattern
KW  - Making
KW  - Mechanical drawing
N1  - Includes index
ER  -