| Original document(5 pages) Authorized document(5 pages) 中文版 |
A permanent cover of manhole is made up of the refuse, such as plastics glass fibre reinforced plastics, motorcycle helmet, glass fibre leftover, stone powder, ash, plasticizer and pigment through heating, extruding out and die pressing for shaping. Its advantages are low cost, high performance and long service life. |
Application Number
申请号 |
01115069 |
Application Date
申请日 |
2001.06.21 |
| Title 名称 |
Permanent manhole cover made of garbage |
Publication Number
公开号 |
1393604 |
Publication Date
公开日 |
2003.01.29 |
| Approval Pub. Date |
|
Granted Pub. Date |
2004.11.10 |
| International Classification 分类号 |
B09B3/00,E02D29/14 |
Applicant(s) Name
申请人 |
Wang Jinxi |
| Address 地址 |
261432 |
| Inventor(s) Name 发明人 |
Wang Jinxi |
| Attorney & Agent 代理人 |
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| More information 更 多 信 息 |
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