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Ballast-Nedam Groep N.V., Amsterdamse Ballast Bagger en Grond (Amsterdam Ballast Dredging) B.V.
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Amstelveen, NL
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last 30 patents
Information
Patent Grant
Method and apparatus for dredging
Patent number
4,177,585
Issue date
Dec 11, 1979
Ballast-Nedam Groep N.V., Amsterdamse Ballast Bagger en Grond (Amsterdam Ball...
Jan de Koning
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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