https://patents.google.com/patent/CN112647886A/en
CN112647886A - Annular blowout preventer for oil field well mouth - Google Patents
The invention discloses an annular blowout preventer for an oilfield wellhead, which comprises a blowout preventer body, a top cover, a limiting rod, a...
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API 16A Annular Blowout Preventer / Bop Packing Element for Oilfield Well Control - Packing Element...
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Caremon and Shaffer Annular Blowout Preventer (BOP) with Spherical Rubber - Annular Blowout...
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API 16A Blowout Preventer Packing Element Core Rubber - Packing Element and Annular Bop
API 16A Blowout Preventer Packing Element Core Rubber, Find Details and Price about Packing Element Annular Bop from API 16A Blowout Preventer Packing Element...
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