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English: W. G. Christiansen and S. E. Harris, U. S. Patent 2,404,691 (1946).
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Author Nuklear


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current16:56, 28 November 2014Thumbnail for version as of 16:56, 28 November 20141,530 × 680 (10 KB)Edgar181 (talk | contribs)fixed display issues
07:15, 15 June 2014Thumbnail for version as of 07:15, 15 June 2014512 × 155 (7 KB)Nuklear (talk | contribs)User created page with UploadWizard
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