4. Geometrical instruments
  5. Straightedge type
  6. Square and pivoted straightedge

Edward C. Johnson

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Protractor

Geometrical instruments – Straightedge type – Square and pivoted straightedge
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Test fixture for integrated circuit chips

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
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Profile ID: LFUS-PAI-P-1460540

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