发明名称 Flame descaling process - with wetting of the surface to be descaled
摘要 <p>The article to be descaled is wetted prior to heating with the flame. The liquid is suddenly vaporised by the flame and the vapour which has a much larger vol. than the liquid causes breaking up and unsticking of the scale.</p>
申请公布号 FR1604720(A) 申请公布日期 1972.01.24
申请号 FRD1604720 申请日期 1968.10.22
申请人 发明人
分类号 B21B45/04;B23K7/06 主分类号 B21B45/04
代理机构 代理人
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