| http://www.w3.org/ns/prov#value | - Infiltrator Systems, Inc. (Old Saybrook, CT)International Classification: B29C 4500, B29D 2200U.S. Classification: 264572Abstract: Improvements in articles, made by gas assisted injection molding of polyethylene and other materials, such as large arch shaped subsurface leaching conduits, and the processes by which they are made, are disclosed.
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