Rolling resistance testing machine applies to all chairs with caster, to evaluate rolling resistance of the unloaded chair.
Rolling resistance testing machine applies to all chairs with caster, to evaluate rolling resistance of the unloaded chair.
This tester applies to all chairs with casters, to evaluate rolling resistance of the unloaded chair.
EQB/T 2280-2007 Section 6.6.1
EN 1728-2012 Section 6.30 , 7.14
EN1335-3 -2009 Section 7.4
