Arm structure and ballast bed track construction and maintaining device adopting same

The embodiment of the invention discloses an arm structure and a ballast bed track construction and maintaining device adopting the same, and relates to the technical field of construction machinery.The arm structure comprises a main arm assembly and an auxiliary arm assembly. The main arm assembly...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	WU QIANGJIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS MACHINES FOR MAKING RAILWAYS OF ALL KINDS PERMANENT WAY PERMANENT-WAY TOOLS
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