Leif A. Hellgren

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Kungsangen, SE

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Patents Grantslast 30 patents

Information Patent Grant
Discharge gate device for bulk cargo hoppers, particularly hoppers...
- Patent number 4,402,436
- Issue date Sep 6, 1983
- AB Nordstroms Linbanor
- Leif A. Hellgren
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL