Theftproof warning inspection shaft lid

The utility model provides a theftproof warning inspection shaft lid belongs to inspection shaft lid field, it has solved the yi stolen problem of current inspection shaft lid. The utility model discloses an inspection shaft lid and cast iron seat, the inspection shaft lid upwards is equipped with t...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	QIU LONGHAI
Format:	Patent
Sprache:	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 EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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