SAFETY HANDRAIL

PROBLEM TO BE SOLVED: To prevent erroneous assembling of a safety handrail to prevent handrail bars of the adjacent safety handrails from being displaced to each other in the forward and backward directions, concerning the safety handrail attached to a framework scaffold used in a construction site...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	ONO TATSUO
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE FIXED CONSTRUCTIONS FORMS HANDLING BUILDING MATERIALS ON THE SITE REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING
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