发明名称 Reinforcing strut
摘要 A reinforcing strut for an overhead sectional door including a pair of oppositely directed feet for fastening the reinforcing strut to the overhead sectional door and a wall extending from an end of each of the feet with the walls overlying one another and fixed to one another.
申请公布号 US5896724(A) 申请公布日期 1999.04.27
申请号 US19970956335 申请日期 1997.10.23
申请人 KALFORD PTY. LTD. 发明人 TOFTS, DAVID JOHN
分类号 E04B9/06;E04C3/04;E04C3/07;E06B3/48;(IPC1-7):E04C3/30 主分类号 E04B9/06
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