| 发明名称 |
SUPERFICIAL BORIDE PASTE FOR STEEL CASTINGS |
| 摘要 |
<p>The paste comprises B carbide 22-24, K tetrafluoroborate 20-23, calcined alumina 18-20, novolac 12-14 and ethyl alcohol 12-14 per cent by wt.; remainder diluent. The paste is applied in two layers, prior to casting of 0.4-0.6 per cent C steels.</p> |
| 申请公布号 |
RO101464(A2) |
申请公布日期 |
1991.12.09 |
| 申请号 |
RO19890137465 |
申请日期 |
1989.01.03 |
| 申请人 |
CENTRUL DE CERCETARE STIINTIFICA SI INGINERIE TEHNOLOGICA PENTRU UTILAJE MATRITARE SI PRESARE, IASI, RO |
发明人 |
NICA GHEORGHE, RO;POP GHEORGHE, RO |
| 分类号 |
B22C9/10;B22D27/18;C21D1/46;C23C8/68;(IPC1-7):B22D27/18 |
主分类号 |
B22C9/10 |
| 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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