File:RU-1912-21459.jpeg

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Original file(1,356 × 2,018 pixels, file size: 505 KB, MIME type: image/jpeg)

Summary

Scan, first page of Patent RU-1909-21459 from VPTB.

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Date/TimeThumbnailDimensionsUserComment
current14:03, 5 February 2024Thumbnail for version as of 14:03, 5 February 20241,356 × 2,018 (505 KB)LTA (talk | contribs)

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