Fabricated railroad bed drain pipe

The utility model discloses an assembly type railroad bed drainage pipe, which relates to the field of civil engineering railroad bed drainage and comprises pipeline units connected end to end, a plurality of drainage ports are formed in the length direction of each pipeline unit, and every two adja...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DONG MINQI, WANG XUN, WANG XIN, SU QIAN, YANG XUE, HUANG FEIHU, MA LING, YANG HONGLIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS MACHINES FOR MAKING RAILWAYS OF ALL KINDS PERFORMING OPERATIONS PERMANENT WAY PERMANENT-WAY TOOLS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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