File:1888-04-14 Brevet-Durenne&Krebs FR189962 chaudière-tubulaire-tubes-curvilignes.pdf

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Original file ‎(1,239 × 1,752 pixels, file size: 289 KB, MIME type: application/pdf, 7 pages)

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1888-04-14 - Durenne and Krebs patent FR189962: multitubular boiler with expandable curvilinear tubes with automatic and rapid circulation

Summary

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Description
Français : 1888-04-14 - Brevet Durenne et Krebs FR189962 : chaudière multitubulaire à tubes curvilignes dilatables à circulation automatique et rapide
English: 1888-04-14 - Durenne and Krebs patent FR189962: multitubular boiler with expandable curvilinear tubes with automatic and rapid circulation
Date
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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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current14:57, 24 May 2022Thumbnail for version as of 14:57, 24 May 20221,239 × 1,752, 7 pages (289 KB)Rbmn (talk | contribs)Uploaded own work with UploadWizard

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