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发明名称
Collapsible structures
摘要
申请公布号
EP0852957(B1)
申请公布日期
1999.07.28
申请号
EP19970119918
申请日期
1997.11.13
申请人
PATENT CATEGORY CORPORATION
发明人
ZHENG, YU
分类号
A63B63/00;A63B63/08;(IPC1-7):A63B63/08
主分类号
A63B63/00
代理机构
代理人
主权项
地址
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