File:Wxd zygbsyglc 0101.png
![File:Wxd zygbsyglc 0101.png](https://upload.wikimedia.org/wikipedia/commons/thumb/8/84/Wxd_zygbsyglc_0101.png/800px-Wxd_zygbsyglc_0101.png?20180802091828)
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Summary
editDescriptionWxd zygbsyglc 0101.png |
中文(中国大陆):1. 120公尺高自架式铁塔
2. 绞车 3. 天线平衡锤 4. 150mm²钢丝缆线 5. 盘形瓷绝缘器 6. 60mm²铜天线 7. 50mm²铜引入线 8. 引入线铁塔 9. 发送机房 10. 支天线铁杆 11. 棒形瓷绝缘器 |
Date | |
Source | 《无线电》1934年第一卷第一期 |
Author | 中央广播无线电台管理处 |
Licensing
editPublic domainPublic domainfalsefalse |
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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or service works, or audiovisual works, enter the public domain 50 years after they were first published, or if unpublished 50 years from creation.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.
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Public domainPublic domainfalsefalse |
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This work is in the public domain in the United States because it meets three requirements:
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Note: This tag should not be used for sound recordings. |
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current | 09:18, 2 August 2018 | ![]() | 4,370 × 2,657 (4.82 MB) | Bxxiaolin (talk | contribs) | User created page with UploadWizard |
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Horizontal resolution | 118.12 dpc |
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Vertical resolution | 118.12 dpc |