Karl Johannsen

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Lubeck-Travemunde, DE

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Patents Grantslast 30 patents

Information Patent Grant
Connection for connecting compressed-air lines
- Patent number 4,926,571
- Issue date May 22, 1990
- O & K Orenstein & Koppel Aktiengesellschaft
- Karl Johannsen
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING