SAFETY GUARDRAIL

PROBLEM TO BE SOLVED: To solve the serious social problem that pedestrians, bicycle riders, etc have been injured by sharp metal cut strips stuck at joint parts and bolt parts of guardrail and that all the samples of the metal cut strips are determined as metal cut pieces of automobile parts as a re...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	NAKAJIMA KANJI
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 FIXED CONSTRUCTIONS
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