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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup Additional Only
H01J 2235/1275

characterised by the fluid

Full Title

X-ray tubes > Cooling > characterised by method > Circulating fluids > characterised by the fluid

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.