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Title: Infill for bollard footing hole
Authors: Siu, KWM 
Keywords: Bollard
Footing hole
Issue Date: 18-Nov-2008
Source: US Patent 7,452,158 B1. Washington, DC: US Patent and Trademark Office, 2008. How to cite?
Abstract: The invention relates to an infill which can be inserted into a bollard footing hole. The infill is designed such that it allows a bollard to be fit over it, and the infill fits within a footing hole. Methods of covering a footing hole are also bought.
Rights: Assignee: The Hong Kong Polytechnic University.
Appears in Collections:Patent

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