Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Main Group
E21F 9/00

Devices preventing sparking of machines or apparatus (preventing sparking of electric machines or apparatus H01K, H02K)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Devices preventing sparking of machines or apparatus

CPC: Devices preventing sparking of machines or apparatus (preventing sparking of electric machines or apparatus H01K, H02K)

Full Title

Full titles differ between systems:

IPC:

Devices preventing sparking of machines or apparatus

CPC:

Devices preventing sparking of machines or apparatus (preventing sparking of electric machines or apparatus H01K, H02K)

No child classifications to compare. This is a leaf node in both IPC and CPC.