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FR893225A Expired / Lapsed FR ⏱️ 0.0 years remaining

Method for measuring the polish of a surface and apparatus for its implementation

Assignee: Paul-Henri Perrot
•
Filing: 1942-12-24
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Granted: 1944-06-02
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Expires: 1962-12-24
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Abstract

No abstract record available.

Inventors

  • 👤 Paul-Henri Perrot

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-02 09:21
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/28

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