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Дванадцять держав світу сумістно вивчали материк (1 abr 1957 ano – 1 abr 1958 ano)

Descrição:

Міжнародний геофізичний рік (МГР)

Adicionado na linha do tempo:

ГЕОГРАФИЯ (АНТРАКТИДА)

15 mar 2021

0

0

321

Data:

1 abr 1957 ano

1 abr 1958 ano

~ 12 months

Imagens:

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