IPC Definitions - January 01, 2012

B01D 21/00 - Definition fr

References relevant to classification in this main group

This main group does not cover:

Examples of places where the subject matter of this class is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Devices for separating or removing fatty or oily substances or similar floating material from water, waste water, or sewage

C02F 1/40