GROUND SURFACE TEMPERATURE CONTROL APPARATUS

PROBLEM TO BE SOLVED: To perform effective cooling (temperature control) of a track in an athletic field while suppressing increase in costs.SOLUTION: A ground surface temperature control apparatus 1 is disposed under a ground surface 9d of a track 9a in an athletic field 9. A temperature control tu...

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Bibliographische Detailangaben
Hauptverfasser:	HAGINO TOMOKAZU, UJIE YUUKI, ITO RYOSUKE, MIKAMORI MASAKAZU, KANEHIRA YUTAKA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE FIXED CONSTRUCTIONS MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
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