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Alternatively, you can compare two revisions by selecting them in the 'Old' and 'New' columns, and clicking 'Compare Revisions'.
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พื้นหลักฐานและเส้นโครงแผนที่ (Datum and Projection)
พื้นหลักฐานและเส้นโครงแผนที่ (Datum and Projection)
Click on a revision date from the list below to view that revision.
Alternatively, you can compare two revisions by selecting them in the 'Old' and 'New' columns, and clicking 'Compare Revisions'.