Bruno Kiefer

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Dortmund, DE

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Patents Grantslast 30 patents

Information Patent Grant
Escalator with driver device for carrying of transportation carts
- Patent number 4,235,327
- Issue date Nov 25, 1980
- O & K Orenstein & Koppel Aktiengesellschaft
- Helmut Heusler
- B66 - HOISTING LIFTING HAULING