TY  - BOOK
AU  - Hitchings,Rob
TI  - HOW TO MAKE A FOLDING MACHINE FOR SHEET METAL WORK
U1  - 621.815 
PY  - 1981///
CY  - 
PB  - Intermediate Technology Publications, London
KW  - Machinery -- Design
KW  - Folding -- Machines
ER  -