Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles

Child Classifications

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• B61K 9/02 Profile gauges, e.g. loading gauges IPC+CPC Available in IPC and CPC
• B61K 9/04 Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault IPC+CPC Available in IPC and CPC
• B61K 9/08 Measuring installations for surveying permanent way IPC+CPC Available in IPC and CPC
• B61K 9/12 Measuring or surveying wheel-rims IPC+CPC Available in IPC and CPC