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CH299393A Expired / Lapsed CH ⏱️ 0.0 years remaining

Apparatus intended to facilitate the perspective drawing of objects represented in two orthogonal projections.

Assignee: Renaud Maurice
•
Filing: 1952-04-22
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Granted: —
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Expires: 1972-04-22
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Abstract

No abstract record available.

Inventors

  • 👤 Renaud Maurice

Bibliographic Details

Application Number —
Jurisdiction CH
Data Source google_patents
Last Synchronized 2026-11-09 23:11
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/14

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