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DE620578C
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Sail track for picking up and setting down swimming bodies, in particular airplanes
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DE567511C
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Procedure for sealing leaks through ice formation
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DE508753C
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Device for holding swimming bodies, in particular airplanes
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DE486325C
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Device for holding swimming bodies, in particular airplanes
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DE424909C
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Process for salvaging sunken ships by freezing processes
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DE423686C
|
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Method of sealing damaged ships by freezing
|
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DE427199C
|
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Process for recovering ships by the freezing process
|
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DE406644C
|
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Procedure for lifting sunken objects using lifting bodies
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DE405898C
|
|
Leaking sail
|
|
DE406643C
|
|
Salvage dock
|
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DE405901C
|
|
Ice hollow bodies
|
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DE405900C
|
|
Procedure for salvaging sunken ships
|
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DE405899C
|
|
Method for recovering sunken ships in particular by freezing methods
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