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3747517
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Information
Patent Grant
3747517
References
Source
Patent Number
3,747,517
Date Filed
Not available
Date Issued
Tuesday, July 24, 1973
50 years ago
CPC
B41F33/045 - for starting or stopping operation of numbering devices
B41F33/14 - Automatic control of tripping devices by feelers, photoelectric devices, pneumatic devices, or other detectors
B41K3/102 - Numbering devices
B41K3/105 - actuating means for changing type-characters
B41K3/58 - using ink ribbons, ink sheets, or carbon tape or paper
US Classifications
101 - Printing
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