| 发明名称 |
Portable form for lining irrigation ditches |
| 摘要 |
A movable form for lining irrigation ditches with concrete and simultaneously installing wire mesh into approximately the center of the wet concrete being poured.
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| 申请公布号 |
US4557633(A) |
申请公布日期 |
1985.12.10 |
| 申请号 |
US19830519534 |
申请日期 |
1983.08.01 |
| 申请人 |
DYCK, JOHN W. |
发明人 |
DYCK, JOHN W. |
| 分类号 |
E02B5/02;E02B13/00;(IPC1-7):E02B5/02 |
主分类号 |
E02B5/02 |
| 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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