| 发明名称 |
Valve spring assembly and installation method |
| 摘要 |
A valve spring assembly includes a valve spring plate and forms a pre-installation unit for which installation can be automated.
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| 申请公布号 |
US2003038269(A1) |
申请公布日期 |
2003.02.27 |
| 申请号 |
US20020217845 |
申请日期 |
2002.08.13 |
| 申请人 |
DEERE & COMPANY, A DELAWARE CORPORATION. |
发明人 |
CREISSEL JULIE;PATY MAX |
| 分类号 |
F01L1/46;F01L3/10;F01L3/24;(IPC1-7):F16K1/00 |
主分类号 |
F01L1/46 |
| 代理机构 |
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