Heli De Langhe

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for feeding a second stream of pulverulent ma...
- Patent number 5,516,356
- Issue date May 14, 1996
- Paul Wurth S.A.
- Louis Schmit
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot-blast gate valve
- Patent number 4,660,593
- Issue date Apr 28, 1987
- Sidmar S/A
- Heli De Langhe
- C21 - METALLURGY OF IRON