Walther Persson

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Helsingborg, SW

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Patents Grantslast 30 patents

Information Patent Grant
Multi-stage screw compressor interconnected via communication chann...
- Patent number 4,076,468
- Issue date Feb 28, 1978
- Svenska Rotor Maskiner Aktiebolag
- Walther Persson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...