Walter Ingwersen

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Nindorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Combating pests with di-[2-thioureido-(N-alkoxycarbonyl)-N-phenylur...
- Patent number 4,133,892
- Issue date Jan 9, 1979
- Norddeutsche Affinerie
- Werner Perkow
- C07 - ORGANIC CHEMISTRY