The 2nd National Conference of Chinese Scientific and Technical Association 1980
Sada prikazujemo: Kina , Narodna R. - Poštanske marke - 1980 - The 2nd National Conference of Chinese Scientific and Technical Association - 1 marke.
1980
The 2nd National Conference of Chinese Scientific and Technical Association
12. Ožujak WM: Ništa Veličina lista: 40 Perforacija: 11½
![[The 2nd National Conference of Chinese Scientific and Technical Association, Tip BJZ]](https://www.stampworld.com/media/catalogue/China,-Peoples-Rep./Postage-stamps/BJZ-s.jpg)
