Jean-Pierre Welter

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Grevenmacher, LU

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Patents Grantslast 30 patents

Information Patent Grant
Device for introducing dosed quantities of pulverized materials int...
- Patent number 4,597,694
- Issue date Jul 1, 1986
- Paul Wurth S.A.
- Edouard Legille
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL