Jin Man Choi~commonswiki

Joined 11 October 2006

I am a korean inventor(1948,4,19~).

Wishing you eternal prosperity, I’m writing to briefly introduce my newly Hand& Foot Bike,HFB.

http://blog.naver.com/cjm6394

http://eyedy.mireene.com/bike/Hand_and_foot_cycle.doc

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