Barend L. van Drooge

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Amsterdam, NL

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Patents Grantslast 30 patents

Information Patent Grant
Reactor for anaerobic prefermentation of aqueous waste waters
- Patent number 4,346,000
- Issue date Aug 24, 1982
- Stork Amsterdam B.V.
- Barend L. van Drooge
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE