DSO "Bulgarski Darjavni Jeleznitzi"

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Sofia, BG

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Patents Grantslast 30 patents

Information Patent Grant
Method of measuring a railway-vehicle load
- Patent number 4,015,675
- Issue date Apr 5, 1977
- DSO "Bulgarski Darjavni Jeleznitzi"
- Tzvyatko Penchev Stanev
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for impact testing railroad cars
- Patent number 3,939,691
- Issue date Feb 24, 1976
- DSO "Bulgarski Darjavni Jeleznitzi"
- Tzvyatko Penchev Stanev
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

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