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Vaarweg - Megafoons
Overzicht van de megafoons (luidsprekers) langs de provinciale vaarwegen in Zuid-Holland- http://publications.europa.eu/resource/authority/file-type/WMS_SRVC
- http://publications.europa.eu/resource/authority/file-type/WFS_SRVC
- http://publications.europa.eu/resource/authority/file-type/HTML
- http://publications.europa.eu/resource/authority/file-type/JSON
- http://publications.europa.eu/resource/authority/file-type/PNG
您也可以使用API (應用程式介面) (see API 文件)註冊。