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3448971
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Information
Patent Grant
3448971
References
Source
Patent Number
3,448,971
Date Filed
Not available
Date Issued
Tuesday, June 10, 1969
55 years ago
CPC
F27B13/02 - of multiple-chamber type with permanent partitions Combinations of furnaces
C04B35/18 - rich in aluminium oxide
US Classifications
432 - Heating
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