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Application

19631915 · OILPROOF ASSEMBLY, OILPROOF VENT VALVE, AND DEVICE WITH OIL TANK

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Filed 2026-03-27 · Granted · Patent 12728381 (2026-09-08) The official file ↗The patent and its PDF ↗ · Art unit 1776 · Examiner Stephen Hobson Hard · CPC B01D 46/12 · Huizhou Voir Science & Technology Co., Ltd. · Birchwood IP- CHK001

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