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Class 417/230 - Chair


Subclass of Class 417 - Pumps
Definition: Apparatus in which the object is a device for supporting
No. of patents: 1
Last issue date: 07/01/2003


NumberTitleIssue Date
6585497Cooling fan dust seal
A cooling fan dust guard has provided on the inner side of fan blades ribs and recess that mutually form an overcut height difference with a bushing opening so to prevent the airflow carrying dust an easy ingression and even keep off the flying dust from ...
07/01/2003
 
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