专利名称：Stackable and unstackable support construction
发明人：A. Stephen Aho
四月英语怎么说
申请号：US08/653944
申请日：19960522
公开号：US05683004A
公开日：
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非限制性定语从句用什么连接词19971104
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摘要：A vertically adjustable support has a plurality of vertically stackable and unstackable platforms, adjacent ones of the platform being joined by a coupling each of which extends downwardly from a socket in an upper platform in which the coupling is accommodated and has projections for gripping a portion of the next adjacent lower platform so as to join the upper and lower platforms in such manner as to minimize the inadvertent paration or slipping of adjacent platforms relative to one another.
英语问候语申请人：STRUCTURAL PLASTICS CORPORATION
泰坦尼克号简介>忽略的意思代理机构：Learman & McCulloch
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