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(11) | EP 2 199 023 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Support disc for expendable polishing pad |
(57) A support disc (3) is described for an expendable pad (4) for a polishing machine
(1), having a raised peripheral edge (12). Said disc (3) also provides a self-centring
lower central neck (7) suitable for being coupled with a central hole (8) of the pad
(4).
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