TY  - BOOK
AU  - TIMINGS,R.L.
AU  - ALABR,O.
TI  - MECHANICAL ENGINEERING CREAT THEORY AND RELATED SUBJECTS, VOL. 2 / 
U1  - 621 
PY  - 1984///
CY  - [S.N] : 
PB  - LONGMAN GROUP ، 
KW  - MECHANICS ENGINEERING
KW  - ENGINEERING DRAWING
KW  - DRAWING INSTRUMENTS
ER  -