|
GB1568110A
|
|
Apparatus for testing springs and the like
|
|
GB1491235A
|
|
Apparatus for testing springs
|
|
ES412304A1
|
|
Means for securing a circular part in the form of a disc in the interior of a cylindrical part
|
|
US3347106A
|
|
Device having a friction drive between two surfaces in a liquid
|
|
GB1044113A
|
|
Helical spring
|
|
GB1084958A
|
|
Improvements in devices using a friction drive between two smooth non-parallel surfaces in a liquid medium
|
|
DE1258227B
|
|
Infinitely adjustable friction gear
|
|
US3190148A
|
|
Speed variator and reducer apparatus
|
|
GB1018145A
|
|
Variable ratio gearing
|
|
DE1213690B
|
|
Friction gear with lamellar interlocking friction elements
|
|
US3245272A
|
|
Multi-disc speed-changing unit
|
