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经营范围
发明名称
Heated drain line apparatus
摘要
A drainage device and method of decreasing clogging in a drain pipe comprising heating the drain pipe with a heating element that is partially enclosed.
申请公布号
US7028715(B2)
申请公布日期
2006.04.18
申请号
US20040974260
申请日期
2004.10.27
申请人
DT SEARCH & DESIGN LLC
发明人
THOMPSON ALVIN DEAN
分类号
F16L53/00;E03C1/12
主分类号
F16L53/00
代理机构
代理人
主权项
地址
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