Image: A-I-Virtanen-patentti
Size of this preview: 800 × 450 pixels. Other resolutions: 320 × 180 pixels | 3,264 × 1,836 pixels.
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Description: Part of the patent letter given to A. I. Virtanen and his employeer for the AIV silage method.
Title: A-I-Virtanen-patentti
Credit: http://images.cdn.yle.fi/image/upload//13-3-9930974.jpg
Author: Kauppa- ja teollisuusministeriön patenttiasiaintoimisto
Permission: This file is in the public domain in Finland because it is a part of a decision or a statement issued by a public authority or other public body in Finland. Section 9 of the Finnish Copyright Act specifies that no copyright exists in such material. (Link to the Act)
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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