Waldemar Riepe

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Osnabruck, DE

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Patents Grantslast 30 patents

Information Patent Grant
Garden pond filter
- Patent number D269453
- Issue date Jun 21, 1983
- Tetra Werke Dr. rer. nat. Ulrich Baensch GmbH
- Waldemar Riepe
- D23 - Environmental heating and cooling