Exercise devices
User manipulated force resisting apparatus, component...
Utilizing fluid resistance
Inventor
active
No associations
LandOfFree
Chang Chien Chung does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Chang Chien Chung, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Chang Chien Chung will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1324115