Board -like ballastless track screw holder utensil

The utility model discloses a board -like ballastless track screw holder utensil, include steel depression bar, nut, ring -shaped gasket, annular piezo electric crystal, insulating cover, heliciform metal antenna, controller, battery box, simulate electric signal amplifier, adc and digital electric...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Ma Huailiang, Wang Baojun, Zhang Shirong, Dang Yonggang, Wang Yangguang, Lyu Xinming, Yan Jibin, Xu Lei, Li Qicheng, Hu Xueming, Wu Long, Chen Yang, Sun Yuguo, Shi Xiaoqing, Jiang Fulin, Luo Qingyun, Duan Jiangwei, Xian Shaolin, Qiao Liang
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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