Specimen grinding machine with automatic radial displacement of the grinding head. 380 V, 50 Hz, 3 ph. 55C0201/CY Specimen grinding machine with automatic radial displacement of the grinding head. 380 V, 60 Hz, 3 ph. 55C0201/CZ Specimen grinding machine with automatic radial displacement of the grinding head. 230 V, 60 Hz, 3 ph.