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发明名称
SLEEVE
摘要
Sleeve is made of solid flexible material and has annular groove.
申请公布号
UA32746(U)
申请公布日期
2008.05.26
申请号
UA20080001049U
申请日期
2008.01.29
申请人
YURII KONDRATIUK POLTAVA NATIONAL TECHNICAL UNIVERSITY
发明人
ONYSCHENKO OLEKSANDR HRYHOROVYCH
分类号
F04B53/00
主分类号
F04B53/00
代理机构
代理人
主权项
地址
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