MULTI-STRIPE SIMULTANEOUSLY LAID UNDERGROUND BURIED PIPELINE

PURPOSE: To endure against the load of a large-sized vehicle and to prevent the damage of a pipeline by inserting a plastic long tube into the tube inserting hole of a tube coupler having engaging groove and stripe on the periphery of a rectangular frame, simultaneously coupling a plurality of the a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NAKANO MORIO, MURANISHI YASUYUKI
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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