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File:Nib percussion welding sequence. US patent 1,066,468.jpg

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Summary

Description
English: The sequence of the weld progression
Date
Source US patent office
Author L.W. Chubb

Licensing

Public domain
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.

Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Nib_percussion_welding_sequence._US_patent_1,066,468.jpg

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The sequence of the weld progression

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depicts

8 July 1913Gregorian

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current17:14, 17 August 2024Thumbnail for version as of 17:14, 17 August 20242,094 × 467 (98 KB)BillzweigUploaded a work by L.W. Chubb from US patent office with UploadWizard

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