Willy Kussel

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Patents Grantslast 30 patents

Information Patent Grant
Pressure-relief valve devices
- Patent number 4,074,695
- Issue date Feb 21, 1978
- Gewerkschaft Eisenhutte Westphalia
- Walter Weirich
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Apparatus for use in controlling the tension of a chain or chains o...
- Patent number 4,048,866
- Issue date Sep 20, 1977
- Gewerkschaft Eisenhutte Westfalia
- Walter Weirich
- E21 - EARTH DRILLING MINING