发明名称 Hexagonal underground electrical conduit
摘要 An underground electrical conduit hexagonal in cross-section and having internal partition walls subdividing the conduit into a plurality of longitudinal ducts. The internal partition walls are symmetrically disposed about a central longitudinal axis of the conduit and serve as bracing structure to strengthen and support the outer walls of the conduit.
申请公布号 US4729409(A) 申请公布日期 1988.03.08
申请号 US19820405796 申请日期 1982.08.06
申请人 BORG-WARNER CORPORATION 发明人 PAUL, HOWARD C.
分类号 F16L9/18;H02G3/04;(IPC1-7):F16L9/18 主分类号 F16L9/18
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