DIFF Subgroup
F16B 35/002 Full Title
Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws (; thread cutting screws F16B25/00)
F16B 35/002 Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws (; thread cutting screws F16B25/00)