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PCE
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DIFF Subgroup
H01F 30/14

for changing the number of phases

Introduced: January 1995

Full Title

Full titles differ between systems:

IPC:

Fixed transformers not covered by group > characterised by the structure > Two-phase, three-phase or polyphase transformers > for changing the number of phases

CPC:

Fixed transformers not covered by group H01F19/00 > characterised by the structure > Two-phase, three-phase or polyphase transformers > for changing the number of phases

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