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Data source: EPSG
Information source: Center for Applied GIS, Ho Chi Minh City.
Revision date: 2019-08-30
File: urn:ogc:def:extent-polygon:EPSG::4553
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&stroke=red&width=2&path=21.32,105.43|22.75,105.43|22.75,106.25|21.32,106.25|21.32,105.43)