Helmut Parr

Follow

Person

Neudorf, AT

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing sealing rings from expandable graphite
- Patent number 5,795,518
- Issue date Aug 18, 1998
- Klinger AG
- Helmut Parr
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...