Portable grinding machines designed for fastening on workpieces or other parts of particular section, e.g. for grinding commutators

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Portable grinding machines, e.g. hand-guided; Accessories therefor (B24B7/18 takes precedence; for grinding seat surfaces B24B15/00; having a flexible shaft B24B27/027; grinders for cutting-off B24B27/08; dust extraction equipment B24B55/10; details or components, e.g. casings, bodies of portable power-driven tools not particularly related to the operation performed B25F5/00) > Portable grinding machines designed for fastening on workpieces or other parts of particular section, e.g. for grinding commutators