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3121531
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Information
Patent Grant
3121531
References
Source
Patent Number
3,121,531
Date Filed
Not available
Date Issued
Tuesday, February 18, 1964
60 years ago
CPC
B67D7/225 - combined with variators
G06M1/066 - for arithmetical operations
G06M1/38 - for varying ratio of drive or transfer mechanism
G06M3/065 - with drums
US Classifications
235 - Registers
346 - Recorders
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