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3921830
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Patent Grant
3921830
References
Source
Patent Number
3,921,830
Date Filed
Not available
Date Issued
Tuesday, November 25, 1975
48 years ago
CPC
C10B41/02 - for discharging coke
US Classifications
414 - Material or article handling
202 - Distillation: apparatus
246 - Railway switches and signals
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