| 发明名称 |
Sun umbrella has spiral section at bottom for screwing into sand base |
| 摘要 |
The sun umbrella has a spiral section at the bottom of the shaft for screwing into a sand base. An operating mechanism can pass transversely through the shaft for easy turning.
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| 申请公布号 |
DE10021439(A1) |
申请公布日期 |
2001.11.08 |
| 申请号 |
DE20001021439 |
申请日期 |
2000.05.03 |
| 申请人 |
STAAB, WOLFGANG |
发明人 |
STAAB, WOLFGANG |
| 分类号 |
E04H12/22;(IPC1-7):A45B23/00 |
主分类号 |
E04H12/22 |
| 代理机构 |
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代理人 |
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| 主权项 |
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