File:1889-02-16 Brevet A-C-KREBS FR196134=Appareil producteur d'air comprimé pour fournir de l'air aux personnes situées dans un milieu irrespirable et pour tous usages industriels.pdf

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Original file ‎(1,239 × 1,750 pixels, file size: 1.24 MB, MIME type: application/pdf, 11 pages)

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1889-02-16 - A. C. KREBS Patent FR196134: "Device producing compressed air to supply air to people located in an unbreathable environment and for all industrial uses."

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Description
Français : 1889-02-16 - Brevet A. C. KREBS FR196134 : "Appareil producteur d'air comprimé pour fournir de l'air aux personnes situées dans un milieu irrespirable et pour tous usages industriels."
English: 1889-02-16 - A. C. KREBS Patent FR196134: "Device producing compressed air to supply air to people located in an unbreathable environment and for all industrial uses."
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Author Rbmn

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Public domain

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.

This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

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current15:47, 11 May 2022Thumbnail for version as of 15:47, 11 May 20221,239 × 1,750, 11 pages (1.24 MB)Rbmn (talk | contribs)Uploaded own work with UploadWizard

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