| 发明名称 |
Safety-valve stopper especially intended for electric storage batteries |
| 摘要 |
The invention relates to a stopper with valve for a storage battery which permits the gases evolved by the storage battery to escape only above a precise specific pressure higher than the atmospheric pressure.
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| 申请公布号 |
US4078121(A) |
申请公布日期 |
1978.03.07 |
| 申请号 |
US19760697789 |
申请日期 |
1976.06.21 |
| 申请人 |
GRATZMULLER, CLAUDE ALAIN |
发明人 |
GRATZMULLER, CLAUDE ALAIN |
| 分类号 |
F16K17/02;H01M2/12;(IPC1-7):H01M2/12 |
主分类号 |
F16K17/02 |
| 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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