Helmut Piper

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Lohr, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of inclusion melting glass with radioactive components, and...
- Patent number 4,139,360
- Issue date Feb 13, 1979
- Sorg GmbH & Co. KG
- Helmut Piper
- C03 - GLASS MINERAL OR SLAG WOOL