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Waco-Beton B.V.
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Krimpen a/d IJssel, NL
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Patents Grants
last 30 patents
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Patent Grant
Watertight seal between two concrete elements
Patent number
4,449,720
Issue date
May 22, 1984
Ballast-Nedam Groep N.V.
Tjako A. Wolters
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Trademark
last 30 trademarks
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Trademark
73278816 - WACOS
Serial number
73278816
Registration number
1202043
Filing date
Sep 22, 1980
Waco-Beton B.V.
19 - Building materials (non-metallic)