7 Air condensers; Hydraulic jacks; Hydraulic linear actuators, other than for land vehicles; Hydraulic pumps; Hydraulic valves being parts of machines; Lubricating pumps; Oil pumps for land vehicles; Pumps as parts of machines, motors and engines; Pumps for machines; Valves being parts of machines; hydraulic oil filters for motors and engines
The mark consists of stylized wording "GRH" in concentric circles. Color is not claimed as a feature of the mark. The wording GRH has no meaning in a foreign language.