Buffer cars; Arrangements or construction of railway vehicles for protecting them in case of collisions (buffers B61G11/00)

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Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways (conveyor frames mounted for movement on rail tracks B65G41/02; wheeled machines used in permanent way construction or maintenance E01B) > Buffer cars; Arrangements or construction of railway vehicles for protecting them in case of collisions (buffers B61G11/00)