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发明名称
INCLINATION TWIST BOARD FOR OBTAINING STRONGER PROPELLING FORCE AND RESTORING TWIST WITH GRAVITY BY USING TWIST PIVOTING SHAFT WITHOUT USING ELASTIC BODY
摘要
申请公布号
KR20070054552(A)
申请公布日期
2007.05.29
申请号
KR20060042844
申请日期
2006.05.10
申请人
PARK, KYUNG HEE
发明人
PARK, KYUNG HEE
分类号
A63C17/01
主分类号
A63C17/01
代理机构
代理人
主权项
地址
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