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Add AND condition
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Consumable metal anodes

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C23F13/10 Electrodes characterised by the structure
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US2721172A

United States

Other languages
English
Inventor
William F Higgins
Waite William Godfrey
Current Assignee
F A A Hughes & Co Ltd

Worldwide applications
0 BE NL 1950 GB 1951 US FR

Application US235214A events
1955-10-18
Application granted
Anticipated expiration
Expired - Lifetime