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Application

19264870 · TUBULAR STORAGE AND FILLING DEVICE FOR HYDRAULIC MASS CONCRETE AND ITS APPLICATION

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Filed 2025-07-10 · Granted · Patent 12655600 (2026-06-16) The official file ↗The patent and its PDF ↗ · Art unit 3678 · Examiner Frederick Lyndon Lagman Easy · CPC E02D 27/40 · Qingzhou waterengineering construction limited company; · LEONG C. LEI

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first was Notice of allowance
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To first action
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to disposition 11.2 mo
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