DIFF Subgroup
E04G 11/40 for coffered or ribbed ceilings
Introduced: September 1968
Full Title
Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs > for floors, ceilings, or roofs of plane or curved surfaces > for coffered or ribbed ceilings
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
Child Classifications
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- E04G 11/44 with supporting beams for the shuttering used simultaneously as permanent reinforcement of the ribs IPC+CPC Available in IPC and CPC
- E04G 11/46 of hat-like or trough-like shape encasing a rib or the section between two ribs or encasing one rib and its adjacent flat floor or ceiling section IPC+CPC Available in IPC and CPC