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Water jet system for trenching of pipelines

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent

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Water vessels of the floating-deck type

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent

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Watering system

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,...
Patent

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Wear and impact tolerant plow blade

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent

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Welding and laying pipelines

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent

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Widening apparatus

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Advancing subterranean length of pipe or cable
Reexamination Certificate

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Winged pipelaying

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent

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Wire and cable installation tool

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – By means advancing along terrain and guiding pipe or cable...
Reexamination Certificate

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Wire laying/burying apparatus

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Moving cable within pipe
Patent

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