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FR696434A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to safety devices preventing unscrewing of nuts

Assignee: Primo Brunelli
•
Filing: 1930-04-22
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Granted: 1930-12-30
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Expires: 1950-04-22
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Abstract

No abstract record available.

Inventors

  • 👤 Primo Brunelli
  • 👤 Arturo Biasiotto

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 17:34
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/32

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