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초기에는 진공관 전압계를 생산하는 작은 회사였다. 1947년 첫 번째 마이크로폰 'MD 1'을 개발하면서 음향 산...zdnet.co.kr 2024-10-28
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영상 속 사용한 부품 USB, AC220v, 스위치, 전압계, 시거잭 (캠핑카 / 파워뱅크) https://s.c...youtube 2023-10-30
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