| 发明名称 |
INSPECTION PIT HATCH COVER |
| 摘要 |
A hatch cover of inspection pit has bearing structure with the inner, outer and side surfaces, lock unit, screen, beam with counter-weight, fixation boss. |
| 申请公布号 |
UA31730(U) |
申请公布日期 |
2008.04.25 |
| 申请号 |
UA20070011889U |
申请日期 |
2007.10.29 |
| 申请人 |
LIMITED LIABILITY COMPANY &LDQUO,SPETSKONTRAKT&RDQUO, |
发明人 |
YESAULOV ROMAN OLEKSANDROVYCH;PASTUSHENKO OLEKSII ANATOLIIOVYCH;IVANIUTA PETRO DMYTROVYCH;LYTVYN KOSTIANTYN ANDRIIOVYCH;LYSENKO BOHDAN STEPANOVYCH |
| 分类号 |
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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