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22. 다음 ( )에 들어갈 숫자로 적절한 것은?등록된 상표가 최근 ( )년간 사용된 사실이 없는 경우 이해 관계인은 상표의 취소를 청구할 수 있다.ⓛ 1 ② 2 ③ 3 ④ 4 ⑤ 5

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