TY  - BOOK
AU  - MECHANISMS IN MODERN ENGINEER DESIGN VOL-I LEVER MECHANISMS
TI  - NULL
SN  - 1987-11-05
U1  - """621.8 
PY  - 0000///3
CY  - 27
PB  - ARTOBOLERSKY I.I.
KW  - 0
ER  -