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Patent피스톤 코어러 라이너 유압식 사출 장치

10-2018-0036361 (2018.03.29) / 10-2128296 (2020.06.24)

Patent피스톤 코어러 배럴 이송 장치

10-2018-0037920 (2018.04.02) / 1020524110000 (2019.11.29)

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