Raising Weights [g04c 1/08] Patents (Class 968/439)

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By oscillating movement [g04c 1/08b] (Class 968/440)
By continuously rotating movement [g04c 1/08c] (Class 968/441)
By stepping rotating movement [g04c 1/08d] (Class 968/442)

There are no patents to show for this class.