| 发明名称 |
HATCH COVER OF INSPECTION PIT |
| 摘要 |
Hatch cover of inspection pit is arranged as a monolithic plate made of fiber-concrete, with the upper, the lower, side surfaces and the bosses at the side surface.
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| 申请公布号 |
UA9204(U) |
申请公布日期 |
2005.09.15 |
| 申请号 |
UA20050001570 |
申请日期 |
2005.02.21 |
| 申请人 |
VORONIUK IHOR VASYLIOVYCH |
发明人 |
VORONIUK IHOR VASYLIOVYCH |
| 分类号 |
E02D29/14;(IPC1-7):E02D29/14 |
主分类号 |
E02D29/14 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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