Yuchuan Tong

4 Patents

• US125770722026

  Film Roll Replacement Device, Film Roll Supply Method, and Film Roll Removal Method

  ISHIDA CO., Ltd.

  0 cites
• US124666802025

  Film Roll Supply Device

  ISHIDA CO., Ltd.

  0 cites
• US123586742025

  Bag-making and Packaging Machine

  ISHIDA CO., Ltd.

  0 cites
• US116490832023

  Bag-making and Packaging Apparatus

  ISHIDA CO., Ltd.

  0 cites