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发明名称
CHANGE-OVER APPARATUS FOR COOLING GAS PASSAGES IN VACUUM HEAT TREATMENT FURNACE
摘要
申请公布号
EP1801529(A1)
申请公布日期
2007.06.27
申请号
EP20040773162
申请日期
2004.09.16
申请人
IHI CORPORATION
发明人
KATSUMATA, KAZUHIKO;NAKAHARA, TAKUHIRO
分类号
F27D9/00
主分类号
F27D9/00
代理机构
代理人
主权项
地址
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