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发明名称
ROLLER-SKATES WITH DRIVEN ROLLS AND EXCHANGEABLE MODE OF FUNCTION ITS COMBINATION WITH A NEW TYPE CATERPILLAR TRACK AND STEERABLE ROLLS
摘要
申请公布号
HU9203876(D0)
申请公布日期
1993.04.28
申请号
HU19920003876
申请日期
1992.12.08
申请人
KERENYI,ISTVAN,HU
发明人
KERENYI,ISTVAN,HU
分类号
主分类号
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代理人
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