E21B 31/1135
{Jars with a hydraulic impedance mechanism, i.e. a restriction, for initially delaying escape of a restraining fluid}
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Edits on 5 Mar, 2022
Golden AI
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Description (+117 characters)
E21B 31/1135
{Jars with a hydraulic impedance mechanism, i.e. a restriction, for initially delaying escape of a restraining fluid}
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