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2274517
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Information
Patent Grant
2274517
References
Source
Patent Number
2,274,517
Date Filed
Not available
Date Issued
Tuesday, February 24, 1942
82 years ago
CPC
E01C23/14 - for heating or drying foundation, paving, or materials thereon
E01C21/02 - Fusing, calcining, or burning soil in situ
US Classifications
264 - Plastic and nonmetallic article shaping or treating: processes
404 - Road structure, process, or apparatus
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