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Publication of JPS5030322ApublicationCriticalpatent/JPS5030322A/ja
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
F21V21/04—Recessed bases
E—FIXED CONSTRUCTIONS
E04—BUILDING
E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
E04B9/008—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation with means for connecting partition walls or panels to the ceilings
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Engineering & Computer Science
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Architecture
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General Engineering & Computer Science
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Physics & Mathematics
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Electromagnetism
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Civil Engineering
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Structural Engineering
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Non-Portable Lighting Devices Or Systems Thereof
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