Ralf Hander

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Berlin, DD

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Patents Grantslast 30 patents

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Apparatus for multi-stage refining of organic bulk materials
- Patent number 4,652,430
- Issue date Mar 24, 1987
- VEB Schwermaschinenbau "Karl Liebknecht" Magdeburg
- Wolfgang Michel
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...