| 发明名称 |
VACUUM REFINING |
| 摘要 |
In the process for refining glass or the like by vacuum, the collapse of foam is expedited by heating the headspace within the vacuum chamber. |
| 申请公布号 |
AU7676987(A) |
申请公布日期 |
1988.02.18 |
| 申请号 |
AU19870076769 |
申请日期 |
1987.08.11 |
| 申请人 |
PPG INDUSTRIES, INC., |
发明人 |
RONALD LEE SCHWENNINGER;JOSEPH MICHAEL MATESA |
| 分类号 |
C03B5/04;C03B5/12;C03B5/14;C03B5/225;C03B5/235;C03C1/00 |
主分类号 |
C03B5/04 |
| 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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