CPC Subgroup Additional Only
G10K 2210/3227 Resonators
Full Title
Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups > Means > Physical > Resonators
2 direct subcodes
Child Classifications
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- G10K 2210/32271 Active resonators
- G10K 2210/32272 Helmholtz resonators