Willibald Lutz

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Vienna, AT

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Patents Grantslast 30 patents

Information Patent Grant
Device for composting refuse and sewage slurry
- Patent number 4,272,489
- Issue date Jun 9, 1981
- Ruthner Industrieanlagen-Aktiengesellschaft
- Willibald Lutz
- C05 - FERTILISERS MANUFACTURE THEREOF