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Class Information
Number: 976/DIG.360
Name: Nuclear technology > Shielded cells or rooms [g21f-7/00] > Observation devices permitting vision but shielding the observer (e.g., window, periscope) [g21f-7/02] > Windows (e.g., shielded) [g21f-7/02b]
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
8297007 Two-piece frame assembly for window of enclosure Oct. 30, 2012
7257927 Three-piece frame assembly for window of enclosure Aug. 21, 2007
5363420 Method and system for intervening on the sealing pane of an orifice of a confined cell Nov. 8, 1994
4447734 Radiation-shielding transparent material and method of producing the same May. 8, 1984











 
 
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