H03K 4/88
Using as active elements electrochemical cells or galvano-magnetic or photo-electric elements
Official title: using as active elements electrochemical cells {or galvano-magnetic or photo-electric elements}
H03K4/88 (Using as active elements electrochemical cells or galvano-magnetic or photo-electric elements) appears on 0 US grants and 0 published applications in this corpus.
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