Urs Kellner

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Kusnacht, DE

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Patents Grantslast 30 patents

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Process for manufacturing a protection against corrosion for cables...
- Patent number 4,473,936
- Issue date Oct 2, 1984
- Dyckerhoff & Widmann Aktiengesellschaft
- Urs Kellner
- D07 - ROPES CABLES OTHER THAN ELECTRIC