Energy-saving structure for heating barrel
The utility model relates to an energy-saving structure for heating a drum. The center of the bottom of the drum with hollow internal edge is punched with a plurality of partition parts and partition faces by the right-angled intersection way so as to form a plurality of concave parts. The concave p...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
27.05.2009
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Subjects | |
Online Access | Get full text |
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