Hubertus J. Veringa

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Zwaag, NL

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Patents Grantslast 30 patents

Information Patent Grant
Composite ceramic micropermeable membrane, process and apparatus fo...
- Patent number 5,089,299
- Issue date Feb 18, 1992
- Hoogovens Groep B.V.
- Willem H. Van 'T Veen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Composite ceramic micropermeable membrane, process and apparatus fo...
- Patent number 4,981,590
- Issue date Jan 1, 1991
- Hoogovens Groep B.V.
- Willem H. Van 'T Veen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES