Albert Porkristl

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Fohnsdorf, AT

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Patents Grantslast 30 patents

Information Patent Grant
Device for measuring the spacing between aligned rails
- Patent number 5,053,701
- Issue date Oct 1, 1991
- Voest-Alpine Zeltweg Gesellschaft m.b.H.
- Albert Porkristl
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES