DRAWING CLAMPING DEVICE
CHOLEVIK,DALIBOR,CS, DUFEK,FRANTISEK,CS, CARBOL,VITEZSLAV,CS, SMILOVSKY,MILAN,CS
Year of Publication 30.06.1981
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Year of Publication 30.06.1981
Patent
DEVICE FOR WORKING THE INNER SURFACE OF PIPES
CHOLEVIK,DALIBOR,CS, DUFEK,FRANTISEK,CS, CARBOL,VITEZSLAV,CS, SMILOVSKY,MILAN,CS
Year of Publication 30.04.1980
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Year of Publication 30.04.1980
Patent