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What did SPAR Aerospace and the National Research Council develop for use in outer space?
관련 문제
Which of the following is NOT a source of Canadian law? Aboriginal peoples refers to which three distinct groups? Where is the St. Lawrence Seaway? Who was Chantal Petitclerc? What symbols are found on Canada's coat of arms?
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PREMIUM더 효율적인 학습을 위한 스마트 도구
