Dujiangyan Irrigation Project 1991
Zobrazujú sa: Čína, ĺudová republika - Poštové známky - 1991 - Dujiangyan Irrigation Project - 3 známky.
Zobrazujú sa: Čína, ĺudová republika - Poštové známky - 1991 - Dujiangyan Irrigation Project - 3 známky.
![[Dujiangyan Irrigation Project, typ XML]](https://www.stampworld.com/media/catalogue/China,-Peoples-Rep./Postage-stamps/XML-s.jpg)
![[Dujiangyan Irrigation Project, typ XMM]](https://www.stampworld.com/media/catalogue/China,-Peoples-Rep./Postage-stamps/XMM-s.jpg)
![[Dujiangyan Irrigation Project, typ XMN]](https://www.stampworld.com/media/catalogue/China,-Peoples-Rep./Postage-stamps/XMN-s.jpg)
