Petrus Stephanus van Zyl

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Erfstadt, DE

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Patents Grantslast 30 patents

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Measuring gas sample holder for measuring the concentrations of gas...
- Patent number 8,448,642
- Issue date May 28, 2013
- Dräger Medical GmbH
- Ludger Tappehorn
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE