File:1957-土壤农化专业中耕实习-山东农学院.jpg
Original file (1,136 × 1,000 pixels, file size: 577 KB, MIME type: image/jpeg)
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Summary
[edit]Description1957-土壤农化专业中耕实习-山东农学院.jpg |
中文(中国大陆):1957-土壤农化专业中耕实习-山东农学院
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Date | |
Source | 山东农业大学档案馆,山东农业大学数字校史馆(http://history.sdau.edu.cn/) |
Author | 山东农学院(今山东农业大学) |
Licensing
[edit]Public domainPublic domainfalsefalse |
This image is now in the public domain in China because its term of copyright has expired. According to copyright laws of the People's Republic of China (with legal jurisdiction in the mainland only, excluding Hong Kong and Macao), amended November 11, 2020, Works of legal persons or organizations without legal personality, or service works, or audiovisual works, enter the public domain 50 years after they were first published, or if unpublished 50 years from creation. For photography works of natural persons whose copyright protection period expires before June 1, 2021 belong to the public domain. All other works of natural persons enter the public domain 50 years after the death of the creator. To uploader: Please provide where the image was first published and who created it or held its copyright. You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. Note that this work might not be in the public domain in countries that do not apply the rule of the shorter term and have copyright terms longer than life of the author plus 50 years. In particular, Mexico is 100 years, Jamaica is 95 years, Colombia is 80 years, Guatemala and Samoa are 75 years, Switzerland and the United States are 70 years, and Venezuela is 60 years.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:47, 27 November 2020 | 1,136 × 1,000 (577 KB) | ClayM300 (talk | contribs) | Uploaded a work by 山东农学院(今山东农业大学) from 山东农业大学档案馆,山东农业大学数字校史馆(http://history.sdau.edu.cn/) with UploadWizard |
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Metadata
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Width | 2,279 px |
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Height | 2,006 px |
Pixel composition | Black and white (Black is 0) |
Orientation | Normal |
Number of components | 4 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
File change date and time | 03:25, 27 November 2020 |
Exif version | 2.31 |
Color space | Uncalibrated |
Unique ID of original document | 6A6EE2A63F824F5812E9548C73FDD583 |
Date and time of digitizing | 10:45, 27 November 2020 |
Date metadata was last modified | 11:25, 27 November 2020 |
Copyright status | Copyright status not set |