DIFF Subgroup
E02D 7/22 Placing by screwing down
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Methods or apparatus for placing sheet pile bulkheads, piles, mould-pipes, or other moulds > Placing by screwing down
CPC:
Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds (for both placing and removing E02D11/00; ) > Placing by screwing down
No child classifications to compare. This is a leaf node in both IPC and CPC.