Patents/Inventors

Zhengbao Jin

ZhejiangCN2 patents

3 Patents

US124958692025
Anti-jamming Ratchet-type Tensioning Device
Ningbo Xuding Rigging Co., Ltd
0 cites
US124424322025
Anti-jamming Ratchet-type Tensioning Device
0 cites
US123188942025
Ratchet-type Tensioning Device
0 cites