Hans Guntermann

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Essen-Steele, DT

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Patents Grantslast 30 patents

Information Patent Grant
Process for the aluminothermic welding of rails
- Patent number 3,942,579
- Issue date Mar 9, 1976
- Elektro-Thermit GmbH.
- Hans Guntermann
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR