Category:The welding encyclopedia

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The welding encyclopedia
Mackenzie, L. B. (Louis Burton)
The Welding Engineer Pub. Co
The welding encyclopedia
Subtitle a practical reference book on autogenous welding
Language English
Publication date 1923
publication_date QS:P577,+1923-00-00T00:00:00Z/9
Place of publication Chicago, Illinois
Internet Archive identifier
: weldingencyclope00mack
(Reusing this file)
Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1924.

Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country. PD-1923Public domain in the United States//

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