Metal deforming
By tool-couple pressing together adjacent surface portions...
To form longitudinally-seamed tube
Inventor
active
Apparatus for the formation of ornamental chains
Method of manufacturing jewelry chains from decorated helicoid m
Process for obtaining composite hollow members from variegated l
Process for the manufacture of semi-finished polychrome composit
Semimanufactured product for use in jewelry
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Profile ID: LFUS-PAI-P-4953