J. O. Ruesch

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CH-8634 Hombrechtikon, CH

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Patents Grantslast 30 patents

Information Patent Grant
Valve stem seal leak protection and detection apparatus
- Patent number 4,972,867
- Issue date Nov 27, 1990
- J. O. Ruesch
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...