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发明名称
IMPROVED DELAYED COKER UNIT FURNACE
摘要
<p>The return bend elbow fittings (18) connecting straight sections (16) of adjacent tubes in a delayed coker furnace are improved by subjecting the interior surface of the fittings to a diffusion hardfacing process.</p>
申请公布号
WO1999060075(A1)
申请公布日期
1999.11.25
申请号
US1999007353
申请日期
1999.04.01
申请人
发明人
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主分类号
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