专利权 专利注册证（第 10-2643784号)
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发证机关 : 专利厅
申请编号 : 第 10-2022-0071336号
申请日 : 2022. 06. 30
登记日 : 2024. 02. 29
称谓 : Valve stem for a high-pressure needle valve of check valve type and a high-pressure needle valve having the same
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특허등록증10-2643784.pdf (834.3K)
4Time Download | DATE : 2025-08-13 14:54:24
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