E04Level 2

BUILDING

GET/api/v1/systems/patent_cpc/nodes/E04

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E04BGENERAL BUILDING CONSTRUCTIONS

E04CSTRUCTURAL ELEMENTS

E04DROOF COVERINGS

E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS

E04GSCAFFOLDING

E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES

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