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Science
Stamps Category Science
Discovery of Quantum Theory-Black Body Radiation and Quantum Hypothesis -Europe (C:E.P.
Herman Cudris Castañeda
Jules Verne & Luna 13
carlos ródenas ferré
Sputnik 2 & Johannes Kepler
carlos ródenas ferré
series- Technology and architecture
juan antonio talaverano
INTERKOSMOS
juan antonio talaverano
Resonant Circuit and Electrical Flow Lines - Europe (C.E.P.T.) - Great Achievements of the Human Mind
Herman Cudris Castañeda
series- Space
juan antonio talaverano
Chemical.
Herman Cudris Castañeda
EWnergía plant, near Verbois.
Herman Cudris Castañeda
HALLEY'S COMET
carlos ródenas ferré
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2.315 stamps