-
1.ASYMMETRIC ELLIPTICAL CHAINRING CAPABLE OF FINE-ANGLE VARIATION, AND CRANKSET OF BICYCLE COMPRISING SAME 审中-公开
标题翻译: 非对称椭圆KETTERING进行精细角度变化和SO FAHRRADTRETLAGER公开(公告)号:EP2918489A4
公开(公告)日:2016-10-12
申请号:EP13852425
申请日:2013-11-11
申请人: CHOI YUN SEOK
发明人: SEO TAE KWON , PARK SEONG HO , HWANG CHAN GYU , CHAE SU CHANG , CHOI YUN SEOK
CPC分类号: B62M9/08 , B62M9/00 , B62M2009/002 , F16H55/30 , F16H2035/003