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H03F 3/08

Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light

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Edits on 16 Mar, 2022
"update inverses"
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Golden AI
edited on 16 Mar, 2022
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H03F 3/085
"update inverses"
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Golden AI
edited on 16 Mar, 2022
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H03F 3/087
Edits on 5 Mar, 2022
"update inverses"
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Golden AI
edited on 5 Mar, 2022
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H03F 3/082
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Golden AI
created this topic on 5 Mar, 2022
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 H03F 3/08

Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light

Infobox
Is a
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Patent classification
Classification Type
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Cooperative Patent Classification
Parent classification
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H03F 3/04
Website
http://data.epo.org/linked-data/def/cpc/H03F3-08

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