Portable testing device for measuring static and dynamic drag fr

Portable universal friction testing machine and method

Portable universal friction testing machine and method

Portable universal friction testing machine and method

Process and a device for measuring static and dynamic friction o

Process for determining the coefficient of friction m.mu.

Process for determining the lubricant power of lubricant oils

Process for the determination of the friction properties of...

Process to determine the utilized frictional value between wheel

Quality control for fibrous mats

Road condition monitoring system

Road friction coefficient estimating apparatus for vehicle

Road surface friction coefficient estimating method, signal...

Road surface friction measuring method and device therefor

Road surface friction sensor and coefficient detector

Road surface frictional coefficient estimating apparatus

Roadway friction measuring method and apparatus

Rolling ball tack measuring apparatus

Rolling caster floor tester

Rotary seal testing machine