Patents for F23H 1 - Grates with solid bars (303) | |
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12/1979 | |
12/04/1979 | CA1067368A1 Fireplace fuel stove and grill device |
03/1978 | |
03/07/1978 | US4077338 Shaft furnace for pyrolysis of refuse with bed support structure |
06/1977 | |
06/21/1977 | US4030206 Thrust grate such as a heat exchange grate |