Also known as B12C, Duodecar
thumb|upright|12AE10 Compactron tube (a dual pentode), made by GE Compactrons are a type of vacuum tube, which contain multiple electrode structures packed into a single enclosure. They were designed to compete with early transistor electronics and were used in televisions, radios, and similar roles.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).