TY  - BOOK
AU  - Houghton,Philip Stephen
TI  - Press tool practice,
AV  - TS253 .H6
U1  - 621.9 HOU 
PY  - 1941///-
CY  - London
PB  - Chapman & Hall
KW  - Sheet-metal work
KW  - Metal-working machinery
KW  - Punching machinery
KW  - Machine-tools
ER  -