发明名称 Frame member and attached membranes
摘要 A collapsible apparatus includes a frame member being formed from a flexible twistable material, a first membrane and a second membrane, and an inflation member. The second membrane is attachable to the first membrane.
申请公布号 US6915537(B2) 申请公布日期 2005.07.12
申请号 US20030635454 申请日期 2003.08.07
申请人 发明人
分类号 A45F3/00;A47G9/06;(IPC1-7):A47G9/06 主分类号 A45F3/00
代理机构 代理人
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