Japanese futon floor system
Explicit uses support system graph assertion from Japanese futon floor system.
SUPPORT SYSTEM
A taxonomy node for sleeping systems intentionally laid on a floor surface rather than supported by a conventional elevated bed frame.
CONNECTIONS / NO INFERENCE
Graph assertions, genome taxonomy references, and compatibility rules remain visibly different data sources.
Explicit uses support system graph assertion from Japanese futon floor system.
PROVENANCE
Illustrative taxonomy sources are shown as such. Current manufacturer or regulatory sources retain reverification requirements.
ICU / CONNECTED DISCOVERY
These links come from ICU's bounded public recommendation graph. Bed-size market scope, compatibility authority, fit geometry, history, and evidence boundaries remain unchanged.
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