Autodesk Developer Network

(optional): Defines the minimum release number for ‘this’ set of components. Can be a major release number only (e.g. AutoCAD R18), or specific version (e.g. AutoCAD R18.0). Each Autodesk product has a unique series string. As an example – AutoCAD – R18.0 is the same as the release number in the AutoCAD registry hive. ................
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