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DescriptionGas burner on internal heat exchanger.jpg
English: Modulating gas burner firing into tubular heat exchanger
Date
Source
Coosbane
Author
Coosbane
Licensing
Public domainPublic domainfalsefalse
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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Public domainPublic domainfalsefalse
This work has been released into the public domain by its author, Coosbane at English Wikipedia. This applies worldwide. In some countries this may not be legally possible; if so: Coosbane grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.Public domainPublic domainfalsefalse
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