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发明名称
BALL
摘要
申请公布号
SU1704802(A1)
申请公布日期
1992.01.15
申请号
SU19894744707
申请日期
1989.10.03
申请人
POPOV IVAN V,SU
发明人
POPOV IVAN V,SU
分类号
A63B43/00
主分类号
A63B43/00
代理机构
代理人
主权项
地址
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