发明名称 Cover construction
摘要 A cover for material handling equipment including a lower and upper cover plate disposed in overlapping relationship and having means thereon adapted to engage a flange element on the material handling equipment so as to form a seal.
申请公布号 US4090604(A) 申请公布日期 1978.05.23
申请号 US19760722539 申请日期 1976.09.13
申请人 GRAIN PROCESSING CORPORATION 发明人 REIFERT, CHARLES W.
分类号 B65G33/08;B65D90/54;(IPC1-7):B65G15/60;B65G33/00 主分类号 B65G33/08
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