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DIFF Subgroup
E04C 2/24

laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20

Introduced: September 1968

Title

Titles differ between systems:

IPC: laminated and composed of materials covered by two or more of groups , ,

CPC: laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20

Full Title

Full titles differ between systems:

IPC:

Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels > characterised by specified materials > of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products > laminated and composed of materials covered by two or more of groups , ,

CPC:

Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels (materials or manufacture, see the relevant subclasses, e.g. B27N, D21J; made in situ E04B; specially designed for insulation or other protection E04B1/62; load-carrying floor structures E04B5/02, E04B5/16; roofs consisting of self-supporting slabs E04B7/20; roof or like covering elements E04D3/00; for lining or finishing E04F13/00) > characterised by specified materials (translucent E04C2/54) > of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products (, E04C2/26 take precedence; ) > laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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