Hans-Gunter Lehmann

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Berlin, DT

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Patents Grantslast 30 patents

Information Patent Grant
17.alpha.-Ethinyl-18-methyl-19-nortestosterone esters
- Patent number RE28690
- Issue date Jan 20, 1976
- Schering Aktiengesellschaft
- Hans-Gunter Lehmann
- 424 - Drug, bio-affecting and body treating compositions