DIFF Subgroup
H02N 11/008 Full Title
Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means (by hydrostatic pressure F03B17/04; by dynamo-electric means, H02K53/00)
H02N 11/008 Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means (by hydrostatic pressure F03B17/04; by dynamo-electric means, H02K53/00)