| plasticfreerivers.com | |
| 网站标题： | Plastic Free Rivers Makathon |
| 网站简介： | The Plastic Free Rivers Makathon for Innovative solutions for removing plastic from our rivers |
| 关键字： | Hakathon Hackathon Makathon Plastic vrije rivieren PWN RWS Rijkswaterstaat event solution plastic free rivers 3d makers zone makers 3d-printing |
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