DIFF Subgroup
B23B 45/16 with superimposed percussive action
Introduced: January 1980
Full Title
Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor > with superimposed percussive action
B23B 45/16 Introduced: January 1980
Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor > with superimposed percussive action