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Class Information
Number: 405/123
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Flow control > Open channel > Flume > Joint > Including u-clamp > With crossbar
Description: Method or apparatus wherein the fastening means further comprises an element which bridges the top of the U-clamp.

Patents under this class:

Patent Number Title Of Patent Date Issued
7632042 Method, apparatus and system for forming drainage and trench forming systems Dec. 15, 2009
6220784 Method and apparatus for forming a trench Apr. 24, 2001
5347074 Fixation of heavy metals, mercury recovery and dioxins destruction in scrubbed municipal solid waste incinerator ash Sep. 13, 1994

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