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PCE
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DIFF Subgroup
E21C 45/02

Means for generating pulsating fluid jets

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Methods of hydraulic mining; Hydraulic monitors > Means for generating pulsating fluid jets

CPC:

Methods of hydraulic mining; Hydraulic monitors (E21C25/60 takes precedence) > Means for generating pulsating fluid jets

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 1990.

Child Classifications

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  • E21C 45/04 by use of highly pressurised liquid since 1990 IPC+CPC Available in IPC and CPC
  • E21C 45/06 by use of compressed gases since 1990 IPC+CPC Available in IPC and CPC