Siegfried Dreyer

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Magdeburg, DD

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Patents Grantslast 30 patents

Information Patent Grant
Flat-membrane separating arrangement
- Patent number 4,601,824
- Issue date Jul 22, 1986
- Veb Chemieanlagenbaukombinat Leipzig-Grimma
- Siegfried Dreyer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL