4. Geometrical instruments
  5. Distance measuring
  6. By flexible tape

William Cecil Blackman

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One piece compound lock for tape measure

Geometrical instruments – Distance measuring – By flexible tape
Patent

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Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent

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Tape measure housing

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent

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Profile ID: LFUS-PAI-P-1238757

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