Original document(9 pages) Authorized document(9 pages) 中文版
    A safety device for lowering person from building is composed of a vertical flexible cylinder, the elastic rings arranged axially on said vertical flexible cylinder at intervals, and supporting frame on the top of said cylinder and with lifesaving entrance.
Application Number
申请号		 01139933 Application Date
申请日		 2001.11.20
Title 名称 Safety apparatws for rescuing from building
Publication Number
公开号		 1419943 Publication Date
公开日		 2003.05.28
Approval Pub. Date Granted Pub. Date 2005.02.16
International Classification 分类号 A62B1/20
Applicant(s) Name
申请人		 Wang Wusheng
Address 地址 434000
Inventor(s) Name 发明人
Attorney & Agent 代理人 zuo mengkun

  
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