DIFF Subgroup
F16N 7/40 in a closed circulation system
Introduced: September 1968
Full Title
Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated > with a separate pump; Central lubrication systems > in a closed circulation system
No child classifications to compare. This is a leaf node in both IPC and CPC.