Erhard Max

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Sindelfingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus comprising a lubricant-coated magnetic disc and a magneti...
- Patent number 4,583,145
- Issue date Apr 15, 1986
- International Business Machines Corporation
- Annelie Monnich
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk substrate with a core of synthetic material
- Patent number 4,415,634
- Issue date Nov 15, 1983
- International Business Machines Corporation
- Holger Hinkel
- G11 - INFORMATION STORAGE