Eckehard Hanert

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for winding and forming cooling coils
- Patent number 4,085,488
- Issue date Apr 25, 1978
- Benteler-Werke Aktiengesellschaft Werk Neuhaus
- Eckehard Hanert
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...