Shan Chang

5 Patents

• US122442842025

  Tunable Filter and Method for Manufacturing the Same

  BOE TECHNOLOGY GROUP CO., Ltd.

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• US122351822025

  End-connecting Type Hydraulic Loader

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• US121112262024

  High-power and Heavy-load Back-to-back Planetary Gear Test Platform

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• US121049772024

  Coupling Device Between a Test Box and a Companion Test Box for Back-to-back Planetary Testing

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• US119446602024

  Topical Traditional Chinese Medicine (TCM) Composition and Topical Preparation for Cervical Disease, and Preparation Methods Thereof

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