Shen-keng Liu

3 Patents

• USD11137912026

  Turntable

  HANPIN ELECTRON CO., Ltd.

  0 cites
• US123224182025

  Vinyl Record Player Automatic Stop and Lift Tonearm Structure

  Hanpin Electron Co., Ltd.

  0 cites
• US115942452023

  Bifunctional Turntable

  Hanpin Electron Co., Ltd.

  0 cites