DIFF Subgroup
F17B 1/007 with telescopically movable ring-shaped parts (F17B1/10 takes precedence; sealing of rings F17B1/04)
Introduced: July 1974
Title
Titles differ between systems:
IPC: with telescopically movable ring-shaped parts
CPC: with telescopically movable ring-shaped parts (F17B1/10 takes precedence; sealing of rings F17B1/04)
Full Title
Full titles differ between systems:
IPC:
Gas-holders of variable capacity > with telescopically movable ring-shaped parts
CPC:
Gas-holders of variable capacity (large containers in general B65D88/00; storing fluids in natural or artificial cavities or chambers in the earth B65G5/00) > with telescopically movable ring-shaped parts (F17B1/10 takes precedence; sealing of rings F17B1/04)
No child classifications to compare. This is a leaf node in both IPC and CPC.