| 发明名称 |
(A) ;SUBSTITUTED 2*77DIOXOO2*77DIHYDROBENZO*1 22B*5 66B***DIFURANOR DIPYRROLE DYE* ITS MANUFACTURE AND METHOD OF COLORING AROMATIC POLYESTER FIBER MATERIAL |
| 摘要 |
PURPOSE:To improve the total heat recovery ratio of the waste gas of combustion by supplying always the waste gas of the prescribed temperature to the preheating zone by utilizing the low temperature gas of the preheating zone and the high temperature gas of the heating zone. |
| 申请公布号 |
JPS5618653(B2) |
申请公布日期 |
1981.04.30 |
| 申请号 |
JP19760092190 |
申请日期 |
1976.08.02 |
| 申请人 |
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发明人 |
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| 分类号 |
C21D1/00;C21D1/52;C21D9/56;C21D11/00;F27B9/12;F27B9/40;F27D17/00 |
主分类号 |
C21D1/00 |
| 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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