HEATER
PROBLEM TO BE SOLVED: To efficiently absorb radiation heat from a heating source, to shorten a heating time, to save heating energy, to enhance heat efficiency and to improve economy by forming the whole or a part of an external surface in a heater main body to be a white or a deep dark colored roug...
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Main Author | |
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Format | Patent |
Language | English |
Published |
31.08.1999
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Edition | 6 |
Subjects | |
Online Access | Get full text |
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