| 发明名称 |
MARINE PROPELLER WITH REMOVABLE BLADES |
| 摘要 |
A fluid motor is provided in association with each blade of a marine propeller of the type having removable blades to assist in removing the associated blade.
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| 申请公布号 |
US3711220(A) |
申请公布日期 |
1973.01.16 |
| 申请号 |
USD3711220 |
申请日期 |
1971.02.19 |
| 申请人 |
AB KARLSTADS MEKANISKA WERKSTAD,SW |
发明人 |
RAMBACK C,SW;ERICSSON N,SW |
| 分类号 |
B63H1/20;B63H3/12;(IPC1-7):B63H1/20 |
主分类号 |
B63H1/20 |
| 代理机构 |
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代理人 |
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