| 发明名称 |
Organic binding agent for foundry mould - materials |
| 摘要 |
<p>Useful for moulds and cores which harden extremely rapidly at room temp. the binding agent incorporates a synthetic resin and highly concentrated anhydrous p-toluenesulphonic acid.</p> |
| 申请公布号 |
NL7017879(A) |
申请公布日期 |
1972.06.12 |
| 申请号 |
NL19700017879 |
申请日期 |
1970.12.08 |
| 申请人 |
|
发明人 |
|
| 分类号 |
B22C1/22;(IPC1-7):22C1/22 |
主分类号 |
B22C1/22 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
