Hans O. Jahns

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Ice barrier construction

Hydraulic and earth engineering – Marine structure or fabrication thereof – In or on frozen media
Patent

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Icebreaking apparatus

Ships – Ice breakers
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Method and apparatus for constructing and maintaining an offshor

Hydraulic and earth engineering – Marine structure or fabrication thereof – In or on frozen media
Patent

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Method and apparatus for constructing buried pipeline systems

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – With protection or indication of pipe or trench
Patent

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Method for reducing frost heave of refrigerated gas pipelines

Hydraulic and earth engineering – Temperature modification or control of earthen formation
Patent

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Profile ID: LFUS-PAI-P-5748

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