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Barge repair device

Hydraulic and earth engineering – Means to expose a normally wetted surface,e.g. – cofferdam – etc. – Contoured to wetted surface – e.g. – side hung ship caisson
Patent

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Device for sealing a caisson in a watertight way

Hydraulic and earth engineering – Means to expose a normally wetted surface,e.g. – cofferdam – etc. – Contoured to wetted surface – e.g. – side hung ship caisson
Patent

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Device which provides an underwater dry workshop environment for

Hydraulic and earth engineering – Means to expose a normally wetted surface,e.g. – cofferdam – etc. – Contoured to wetted surface – e.g. – side hung ship caisson
Patent

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Equipment for carrying out work, under dry conditions, on an und

Hydraulic and earth engineering – Means to expose a normally wetted surface,e.g. – cofferdam – etc. – Contoured to wetted surface – e.g. – side hung ship caisson
Patent

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Open top floatable barge repair box with barge to box sealing sy

Hydraulic and earth engineering – Means to expose a normally wetted surface,e.g. – cofferdam – etc. – Contoured to wetted surface – e.g. – side hung ship caisson
Patent

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Underwater gas pocket work unit and removal of dangerous fumes a

Hydraulic and earth engineering – Means to expose a normally wetted surface,e.g. – cofferdam – etc. – Contoured to wetted surface – e.g. – side hung ship caisson
Patent

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