File:RU-1972-342010.jpeg

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Original file(1,324 × 2,036 pixels, file size: 480 KB, MIME type: image/jpeg)

Summary

First page of Patent RU-1909-19792 from VPTB.

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current23:59, 8 February 2024Thumbnail for version as of 23:59, 8 February 20241,324 × 2,036 (480 KB)LTA (talk | contribs)First page of Patent RU-1909-19792 from VPTB.

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