Martin Frauenfeld

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Heidelberg, DT

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for cleaning the heat exchanging surfaces of the heat tra...
- Patent number 4,025,362
- Issue date May 24, 1977
- Svenska Rotor Maskiner Aktiebolag
- Martin Frauenfeld
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...