Sichuan Xinxin Mechanical Engineering Co., Ltd.

Follow

Organization

Chengdu, CN

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Bicycle crank driven chain wheel assembly
- Patent number 5,611,744
- Issue date Mar 18, 1997
- Sichuan Xinxin Mechanical Engineering Co., Ltd.
- Naichang Shen
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS