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PCE
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DIFF Subgroup
E06B 7/084

with rotatable lamellae

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Special arrangements or measures in connection with doors or windows > for providing ventilation, e.g. through double windows; Arrangement of ventilation roses > Louvre doors, windows, or grilles > with rotatable lamellae

CPC:

Special arrangements or measures in connection with doors or windows ( ; screening or similar protective devices E06B9/00) > for providing ventilation, e.g. through double windows; Arrangement of ventilation roses (airflow control members per se F24F13/08) > Louvre doors, windows or grilles > with rotatable lamellae

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1974.

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