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Original file(1,332 × 2,060 pixels, file size: 523 KB, MIME type: image/jpeg)

Summary

Patent RU-1912-24942, scan of first page from VPTB.

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current20:33, 5 February 2024Thumbnail for version as of 20:33, 5 February 20241,332 × 2,060 (523 KB)LTA (talk | contribs)Patent RU-1912-24942, scan of first page from VPTB.

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