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Stichting "Stichting Waterbouwkundig Laboratorium"
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Delft, NL
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Patent Grant
Method and device for burying a conduit in the bottom of a waterbed
Patent number
4,648,745
Issue date
Mar 10, 1987
Stichting "Stichting Waterbouwkundig Laboratorium"
Cornelis H. Hulsbergen
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Patent Grant
Self-equilibrating balance
Patent number
3,952,600
Issue date
Apr 27, 1976
Stichting Waterbouwkundig Laboratorium
Adriaan B. Mann
G01 - MEASURING TESTING
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