Roland Helbig

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Trossingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Pneumatic valve assembly for controlling a stream of compressed air
- Patent number 4,964,424
- Issue date Oct 23, 1990
- Hengstler GmbH
- Roland Helbig
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...