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last 30 patents
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Patent Grant
Friction welding process for making hollow bodies such as rollers a...
Patent number
4,323,185
Issue date
Apr 6, 1982
Italtractor I.T.M. S.p.A.
Walter Grilli
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Junction link for endless chain tracks for tracked vehicles
Patent number
4,262,973
Issue date
Apr 21, 1981
Ital-Tractor I.T.M.
Walter Grilli
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS