File:US174965-drawings-page-1.png

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Original file ‎(2,007 × 2,963 pixels, file size: 137 KB, MIME type: image/png)

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Patent drawing of US-Patent 174.965 from Duncan MacKinnon

Summary[edit]

Description
Deutsch: Patentzeichnung des US-Patents 174.965 von Duncan MacKinnon
English: Patent drawing of US-Patent 174.965 from Duncan MacKinnon
Date
Source US Patent Office
Author Duncan MacKinnon

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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.

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current12:19, 22 May 2021Thumbnail for version as of 12:19, 22 May 20212,007 × 2,963 (137 KB)CennoxX (talk | contribs)Uploaded a work by Duncan MacKinnon from US Patent Office with UploadWizard

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