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发明名称
Dispositif de compensation de pression pour les fermetures de gueulard des fours à cuve, notamment des hauts-fourneaux
摘要
申请公布号
FR855164(A)
申请公布日期
1940.05.04
申请号
FRD855164
申请日期
1939.05.23
申请人
H. A. BRASSERT & CO
发明人
分类号
C21B7/18
主分类号
C21B7/18
代理机构
代理人
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地址
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