公务员题库
给文档加密专利名称：A t of stairs
发明人：Dodd, Adrian,Dodd, Damian 申请号：AU2012304270
申请日：20120830
戒指英文名言名言公开号：AU2012304270A1
公开日：螳螂介绍
20130509
专利内容由知识产权出版社提供
摘要：A t of stairs including a pair of stringers, a plurality of treads and interengaging connection means for fitting and holding the plurality of treads therebetween, wherein the treads are removably attachable to the stringers, wherein the stringers have at least partially enclod cross-ctional areas for receiving and connecting the treads, wherein in a dismantled form the stringers and treads are substantially free of protrusions and thereby are readily transportabile without damage and in u the connected stringers and treads are substantially free of protrusions and thereby are safe.
申请人：Easy Stairs Pty Ltd
主要不足怎么写>考研试题
代理人：Actuate Patent Attorneys
更多信息请下载全文后查看早上好的问候图片
