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Class Information
Number: 505/911
Name: Superconductor technology: apparatus, material, process > Apparatus, per se, device, per se, or process of making or operating same > Fluid reaction surface (i.e., impeller): (class 416)
Description: Subject matter including a working structure which interacts with a working fluid so as to cause reactive movement of the working structure or, alternatively, reactive movement of the working fluid.

Patents under this class:

Patent Number Title Of Patent Date Issued
4008079 Superconducting alloys Feb. 15, 1977

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