发明名称 REMOVABLE GRID MEMBER
摘要 A removable member for an assembly of members supporting panel boards having means cooperating therewith permitting disassembly of the members and a reaction force on one of said members tending to maintain the members in secure assembled relationship with the panel boards.
申请公布号 US3693303(A) 申请公布日期 1972.09.26
申请号 USD3693303 申请日期 1970.10.26
申请人 DONN PRODUCTS INC. 发明人 LUCIEN R. DOWNING JR.;DAVID F. MIEYAL
分类号 E04B9/00;E04B9/12;(IPC1-7):E04B5/52 主分类号 E04B9/00
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