Krzysztof Wiaderek

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Warsaw, PL

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Patents Grantslast 30 patents

Information Patent Grant
Machine for molding pipe-type elements such as steel fabric reinfor...
- Patent number 4,217,080
- Issue date Aug 12, 1980
- Politechnika Warszawska
- Michal Sandowicz
- B28 - WORKING CEMENT, CLAY, OR STONE