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20-01 BRAZIL 2020 ANTARCTIC STATION COMMANDER FERRAZ, MOUNTAIN, SHEET MNH
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3415 BRAZIL 2019 SOLAR ECLIPSE IN SOBRAL, EINSTEIN, RELATIVITY THEORY SHEET MNH
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1797 BRAZIL 1982 MINISTRY COMMUNICATIONS, TELEPHONES, SCIENCE MI# 1897 BLOCK MNH
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3326 BRAZIL 2016 BRAZILIAN ACADEMY OF SCIENCES, CENT., C-3589, MNH + BROCHURE
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1371 BRAZIL 1974 HYDROELECTRIC, DAM OVER PARANA RIVER, MI# 1462 C-867, BLOCK MNH
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2128-29 BRAZIL 1988 ENERGY RESOURCES, ELECTRICITY, FUEL, MI# 2245-46, BLOCKS MNH
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1475 BRAZIL 1976 CONFERENCE OF ATOMIC ENERGY AGENCY, SCIENCE, MI# 1560 C-954 MNH
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1492 BRAZIL 1976 ABNT, BRAZILIAN BUREAU OF STANDARDS, SCIENCE, MI# 1577, MNH
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1475 BRAZIL 1976 CONFERENCE OF ATOMIC ENERGY AGENCY, SCIENCE, MI# 1560,BLOCK MNH
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2128-29 BRAZIL 1988 ENERGY RESOURCES, ELECTRICITY, FUEL, MI# 2245-46 C-1579, MNH
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3381-83 BRAZIL 2018 HISTORY OF BRAZILIAN COMPUTING, COMPUTER, SCIENCE, SHEET MNH
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3396 BRAZIL 2018 SCIENTISTS CESAR LATTES, JOANNA DÖBEREINER, SCIENCE, SHEET MNH
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3326 BRAZIL 2016 BRAZILIAN ACADEMY OF SCIENCES, CENT., LOGO RHM C-3589 SHEET MNH
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Paraguay note after Scott #876a IMPERF MNH S/S Einstein & Galileo CV$21+ 380991
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3297 BRAZIL 2015 UN WORLD CONF. ON DISASTER RISK REDUCTION, JAPAN, SHEET MNH
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