TY  - BOOK
AU  - H.M.S.O
TI  - Lubricants & lubrication
U1  - 621.89 J2 
PY  - 1952///
CY  -  London
PB  -  Her majestys stationery office
KW  - MECHANICAL ENGINEERING
KW  - ENGINE LUBRICANT OILS
KW  - SELECTION OF GREASES
KW  - CLOCKWORK MECHANISM
KW  - SILICONE POLYMERS
ER  -