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发明名称
QUICKLY ERECTABLE, QUICKLY COLLAPSIBLE, SELF SUPPORTING PORTABLE STRUCTURE
摘要
申请公布号
EP0487642(B1)
申请公布日期
1998.09.23
申请号
EP19900913770
申请日期
1990.08.17
申请人
SPRING FORM, INC.
发明人
NORMAN, LOWELL, ROBERT
分类号
E04H15/40;(IPC1-7):E04H15/40
主分类号
E04H15/40
代理机构
代理人
主权项
地址
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