1. Hammer block for swaging machine;Koncewicz,1970
2. Hammer block for swaging machine perticularly for tagging tubes and bars before drawing;Koncewicz,1972
3. Lever swaging machine;Koncewicz,1977
4. Method of forging from bars of chamfered pyramid shaped element particularly harrow tines on the multi-hammer block swaging machine;Koncewicz,1980
5. Hammer block particularly for swaging machines;Hebdzyński,1984