| 发明名称 |
MOULD FOR CASTING ELECTRODE GRIDS FOR ELECTRIC STORAGE BATTERIES |
| 摘要 |
A mould for casting lead or lead alloy electrode grids for electric storage batteries comprises backing plates of metal faced with inserts of silicon nitride exposed to the melt.
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| 申请公布号 |
US3709459(A) |
申请公布日期 |
1973.01.09 |
| 申请号 |
USD3709459 |
申请日期 |
1970.11.19 |
| 申请人 |
ELECTRIC POWER STORAGE LTD,GB |
发明人 |
BUSHROD C,GB |
| 分类号 |
B22C3/00;B22D25/04;H01M4/84;(IPC1-7):B22C1/12 |
主分类号 |
B22C3/00 |
| 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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