STRUCTURE OF UNDERGROUND MULTI-PURPOSE DUCT FOR LAYING ELECTRIC WIRE

PURPOSE: To provide the structure of a underground multi-purpose duct for laying electric wires where the duct can be easily and accurately aligned and the electric wires can be easily laid. CONSTITUTION: A plurality of unit pipe bodies 1a and 1b are connected in longitudinal direction for forming a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KUROSAKA YOSHIJI, IKETANI NOBUTAKA, MATSUMOTO SHIGERU, FUKAZAWA KEISHI
Format:	Patent
Sprache:	eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES
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