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UMAC INCORPORATED
| UMAC INCORPORATED Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090266425 | EXCESS FLOW VALVES - An excess flow valve (EFV) for installation in a service line of natural gas distribution system serving an existing structure. The EFV has a cylindrical housing having a first length and a second length and a through hole therethrough for passage of gas. The EFV | 10-29-2009 |