DIFF Subgroup
G04D 3/0281 Full Title
Watchmakers' or watch-repairers' machines or tools for working materials > Lathes, with one or more supports; Burnishing machines, with one or more supports
G04D 3/0281 Watchmakers' or watch-repairers' machines or tools for working materials > Lathes, with one or more supports; Burnishing machines, with one or more supports