Bjorn I. Hillerstrom

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Onsala, SE

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Patents Grantslast 30 patents

Information Patent Grant
Heat exchanger
- Patent number 4,645,001
- Issue date Feb 24, 1987
- ArmaturJonsson AB
- Bjorn I. Hillerstrom
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...