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Class 338/76 - Interchangeable resistors of different resistance value


Subclass of Class 338 - Electrical resistors
Definition: Subject matter including two or more physically similar
No. of patents: 1
Last issue date: 05/08/1990


NumberTitleIssue Date
4924067Temperature controlled soldering resistor to change the set temperature
An accurate, setting-protected, temperature controlled soldering iron has a control circuit including a non-adjustable replaceable resistor mounted near the junction of the handle and the tube which holds the soldering tip. When it is desired to change th...
05/08/1990
 
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