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FR675960A Expired / Lapsed FR ⏱️ 0.0 years remaining

Device for spinning, by drawing, artificial silk produced by the cupro-ammoniacal oxide process

Assignee: Hugh-Emile Fenchelle
•
Filing: 1929-05-30
•
Granted: 1930-02-17
•
Expires: 1949-05-30
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Abstract

No abstract record available.

Inventors

  • 👤 Hugh-Emile Fenchelle
  • 👤 Hermann Hillringhaus

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-02 04:48
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/12; D01D5/14

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