Title:
UNICHAL Congress, Vienna
Description:
UNICHAL =International Union of District Heating Supply; heating pipe (badge)
Country:
Austria
Denomination:
4 öS - Austrian schilling
Issue Date:
1981-05-11
Color:
Multicolor
Print Method:
Photogravure
Perforation:
comb 14¼ x 13¾
Dimensions:
30 x 39 mm
Emission:
Commemorative
Catalog Numbers:
Mi:AT 1669,Sn:AT 1176,Yt:AT 1498,Sg:AT 1897,AFA:AT 1561,ANK:AT 1700,Un:AT 1498
Date Added:
2025-10-29 14:45:56
Themes:
Conferences | Energy
Date Added:
2025-10-29 14:45:56
