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491650
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Information
Patent Grant
491650
References
Source
Patent Number
491,650
Date Filed
Not available
Date Issued
Tuesday, February 14, 1893
131 years ago
CPC
A23G9/18 - the products being on the outer wall of a cooled body
Y10S165/081 - Rotary heat exchange scraper or scraper for rotary heat exchange surface
US Classifications
165 - Heat exchange
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