Audio speakers and structural parts thereof

Air filters for pneumatic controls being part of machines; Bearings, as parts of machines; Door openers, hydraulic; Door openers, pneumatic; Fluid power component kit comprising hose and fittings for use in machinery; Fluid power component kit for machine control comprising pumps and valves; Machine wheels; Motors and pumps for refrigerators and freezers; Parts for compressed-air machines, namely, pressure switches and sensors for monitoring, controlling, and switching hydraulic or pneumatic ...