| 发明名称 |
变速自行车 |
| 摘要 |
|
| 申请公布号 |
CN301152678D |
申请公布日期 |
2010.03.10 |
| 申请号 |
CN200830083611.2 |
申请日期 |
2008.06.27 |
| 申请人 |
孙新生 |
发明人 |
孙新生 |
| 分类号 |
12-11 |
主分类号 |
12-11 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
052160河北省石家庄市藁城市常安镇豆家庄 |
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