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TEKA0007187, Tekniska museet, Sweden
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Related
Original Shaffer Spherical BOP Patent
Patent drawing - Original Hydril Annular BOP Patent Public domain image
Patent drawing - Original Hydril Annular BOP Patent2 Public domain image
Patent drawing - Varco Schaffer Ram BOP Stack Public domain image
Patent drawing - Hydril Compact BOP Patent Public domain image
Patent Drawing of Engine - Cameron EVO BOP Patent (Stack) Public domain image
Patent drawing - Cameron Ram-type Blowout Preventer (1922) - plan view Public domain image
Patent drawing - Cameron EVO BOP Patent Public domain image
Patent drawing - Cameron Ram-type Blowout Preventer (1922) Public domain image
Patent drawing - Original Shaffer Spherical BOP Patent1 Public domain image
Резюме
Patent Drawing of the Original Spherical Blowout Preventer, by The Rucker Company (Shaffer),
U.S. Patent 3,667,721 (1972).
Тэги
патенты
патентные чертежи
патентное бюро США
противовыбросовые превенторы
клапаны
изобретения
дизайн
Дата
13/04/1970
Источник
USPTO
Ссылка
Информация о правах
public domain