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Brevet de
Friedrich Johannsen d'un four rotatif destiné à retirer les éléments volatils du minerai de fer ou des produits ferreux.
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This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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Friedrich
Johannsen patent for a rotary kiln designed to remove volatile elements from iron ore, or from iron products.
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If the file has been modified from its original state, some details may not fully reflect the modified file.
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The following pages on the
English Knowledge (XXG) use this file (pages on other projects are not listed):
255:– If you remix, transform, or build upon the material, you must distribute your contributions under the
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Uploaded a work by
Friedrich Johannsen (1897-1983) from with UploadWizard
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Add a one-line explanation of what this file represents
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75:(1,016 Ă— 550 pixels, file size: 164 KB, MIME type:
266:https://creativecommons.org/licenses/by-sa/4.0
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232:– to copy, distribute and transmit the work
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135:Rotary kiln Johannsen patent US1618204.png
759:The following other wikis use this file:
219:Attribution-Share Alike 4.0 International
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383:copyrighted
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247:attribution
133:Description
730:File usage
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473:media type
27:File usage
799:37.79 dpc
791:37.79 dpc
744:Magnesium
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190:Licensing
150:English:
77:image/png
775:Metadata
719:Borvan53
713:(164 KB)
618:checksum
522:167,927
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
