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Class Information
Number: 976/DIG.359
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]

Sub-classes under this class:

Class Number Class Name Patents
976/DIG.360 Windows (e.g., shielded) [g21f-7/02b] 4

Patents under this class:

Patent Number Title Of Patent Date Issued
4339163 Bag-like contaminant control work module Jul. 13, 1982
4280056 Protective shield for arthrograms Jul. 21, 1981

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