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ARCADIS BOUW/INFRA B.V
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NL-3818 LA AMERSFOORT, NL
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Patent Grant
Lining element for a drilled tunnel
Patent number
6,368,020
Issue date
Apr 9, 2002
Arcadis Bouw/Infra B.V.
Ronaldus Wilhelmus Maria Gerardus Heijmans
E21 - EARTH DRILLING MINING
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