发明名称 Underground piping system
摘要 An exemplary embodiment of the invention is a kit for installing an underground piping system. The kit includes a protective conduit having flexible piping contained therein and a plurality of sealing members. The installer positions the protective conduit and flexible piping as a single unit thereby facilitating installation.
申请公布号 US2001039971(A1) 申请公布日期 2001.11.15
申请号 US20010910173 申请日期 2001.07.20
申请人 ALBINO MARK 发明人 ALBINO MARK
分类号 F16L25/00;(IPC1-7):F16L11/00;F16L55/16 主分类号 F16L25/00
代理机构 代理人
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