by means of pit wells

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Methods or installations for obtaining or collecting drinking water or tap water > from underground > Obtaining and confining water by means of wells > by means of pit wells

CPC:

Methods or installations for obtaining or collecting drinking water or tap water (treatment of water C02F) > from underground > Obtaining and confining water by means of wells (applicable to a combination of water and other liquids or to other liquids only E21B43/00) > by means of pit wells

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

Navigate with arrow keys, Enter to open

E03B 3/11 in combination with tubes, e.g. perforated, extending horizontally, or upwardly inclined, exterior to the pits IPC+CPC Available in IPC and CPC