Rapid mounting mechanism for removable bollard
- 附加資料
- Inventor: WAI MICHAEL SIU KIN
Priority Number: HK1105765A2
Assignee Applicant: The Hong Kong Polytechnic University
Title: Removable bollard appliance and mounting mechanismthereof
Usefulness: Removable bollard appliance and mounting mechanismthereof
- 主要類別
- 建築/建設
- 細分類別
- 建築
- 其他
- Michael Kin Wai SIU
- 國家/地區
- 香港
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