File:United states patent 9620.jpg
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| Description |
English: Illustrations from United states patent 9620
日本語: 合衆国特許9620の図版。機能的には今日のオフィスチェアの嚆矢と言える。 |
| Date | |
| Source | S. ギーディオン『機械化の文化史 ― ものいわぬものの歴史』（訳）GK研究所、榮久庵祥二、鹿島出版会（1977年）179頁 より |
| Author | ピーター・テン・アイク |
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
 Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 13:13, 14 August 2021 | | 941 × 644 (115 KB) | Asanagi (talk | contribs) | Uploaded a work by ピーター・テン・アイク from S. ギーディオン『機械化の文化史 ― ものいわぬものの歴史』（訳）GK研究所、榮久庵祥二、鹿島出版会（1977年）179頁 より with UploadWizard |
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