Tapio Vakiparta

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Ulvila, FI

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Patents Grantslast 30 patents

Information Patent Grant
Working tool for pipe wall
- Patent number 5,782,123
- Issue date Jul 21, 1998
- Outokumpu Copper Products OY
- Tapio Vakiparta
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...