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E21B 33/1212

Packers; Plugs {characterised by the construction of the sealing or packing means including a metal-to-metal seal element}

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Edits on 16 Mar, 2022
"Entity importer update"
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Golden AI
edited on 16 Mar, 2022
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E21B 33/1208
Edits on 5 Mar, 2022
"Created via: Entity Importer"
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Golden AI
created this topic on 5 Mar, 2022
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 E21B 33/1212

Packers; Plugs {characterised by the construction of the sealing or packing means including a metal-to-metal seal element}

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Is a
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Patent classification
Classification Type
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Cooperative Patent Classification
Website
http://data.epo.org/linked-data/def/cpc/E21B33-1212

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