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PCE
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DIFF Subgroup
F27D 7/06

Forming or maintaining special atmospheres or vacuum within heating chambers (supplying steam, vapour, gases or liquids F27D7/02)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Forming or maintaining special atmospheres or vacuum within heating chambers

CPC: Forming or maintaining special atmospheres or vacuum within heating chambers (supplying steam, vapour, gases or liquids F27D7/02)

Full Title

Full titles differ between systems:

IPC:

Forming, maintaining or circulating atmospheres in heating chambers > Forming or maintaining special atmospheres or vacuum within heating chambers

CPC:

Forming, maintaining or circulating atmospheres in heating chambers > Forming or maintaining special atmospheres or vacuum within heating chambers (supplying steam, vapour, gases or liquids F27D7/02)

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

Note: 2 CPC extensions are marked as secondary classification only.

Child Classifications

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