CPC Subgroup Additional Only
H04R 2217/01 Non-planar magnetostrictive, piezoelectric or electrostrictive benders
Full Title
Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups > Non-planar magnetostrictive, piezoelectric or electrostrictive benders