Method and apparatus for replacement of lawn sprinkler units

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专利权人:

James R Sanders

发明人:

James R Sanders

申请号：

US14544843

公开号：

US09955635B1

申请日:

2015.02.26

申请国别(地区):

US

年份:

2018

代理人:

摘要：

A process, using simple tools, is provided for the removal and replacement of lawn sprinkler units in a manner that facilitates alignment of threaded components and prevents entrance of lawn soil into water distribution piping that feeds the sprinkler units.

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中国工程科技知识中心

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http://www.ckcest.cn/home/