The 8th Mechanical, Electrical and Allied Trade Engineers' Congress, San Salvador 1979
Praegu kuvatakse: Salvador - postmargid - 1979 - The 8th Mechanical, Electrical and Allied Trade Engineers' Congress, San Salvador - 1 margid.
1979
The 8th Mechanical, Electrical and Allied Trade Engineers' Congress, San Salvador
19. oktoober WM: mitte ükski perforatsioon: 14½ x 14
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