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Max A. Ris
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Wangen b. Olten, CH
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last 30 patents
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Sink
Patent number
D319301
Issue date
Aug 20, 1991
Niro-Plan AG
Max A. Ris
D23 - Environmental heating and cooling
Information
Patent Grant
Sink
Patent number
D319302
Issue date
Aug 20, 1991
Niro-Plan AG
Max A. Ris
D23 - Environmental heating and cooling
Wangen b. Olten, CH
Niro-Plan AG
Max A. Ris
D23 - Environmental heating and cooling