Original document(6 pages) Authorized document(4 pages) 中文版
    The said thermos consists of a hydraulic draining unit; a glass liner and a flask shell. The draining unit involves a button, a piston rod, a piston, a cylinder, a cylinder cap, a spring and a siphon.
Application Number
申请号		 90107535 Application Date
申请日		 1990.09.03
Title 名称 Thermos with hydraulic draining unit
Publication Number
公开号		 1051666 Publication Date
公开日		 1991.05.29
Approval Pub. Date Granted Pub. Date 1993.08.11
International Classification 分类号 A47J41/02
Applicant(s) Name
申请人		 Feng Yaohui
Address 地址 529051
Inventor(s) Name 发明人
Attorney & Agent 代理人

  
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