CPC Main Group
H03K 29/00 Pulse counters comprising multi-stable elements, e.g. for ternary scale, for decimal scale; Analogous frequency dividers
2 direct subcodes
Child Classifications
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- H03K 29/04 using multi-cathode gas discharge tubes
- H03K 29/06 using beam-type tubes, e.g. magnetrons, cathode-ray tubes