Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
Load children
B23B
TURNING; BORING
Load children
39/00
General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
Load children Filter patents View analytics View as hierarchy
B23B39/16
Drilling machines with a plurality of working-spindles; Drilling automatons
Load children Filter patents View analytics View as hierarchy
B23B39/161
with parallel work spindles
Load children Filter patents View analytics View as hierarchy
B23B39/162
having gear transmissions
Filter patents View analytics View as hierarchy