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发明名称
IMPROVEMENTS IN OR RELATING TO A REFRACTORY HOLLOW BODY
摘要
申请公布号
GB1283233(A)
申请公布日期
1972.07.26
申请号
GB19690055126
申请日期
1969.11.11
申请人
VEREINIGTE OSTERREICHISCHE EISEN-UND STAHLWERKE AKTIENGESELLSCHAFT
发明人
分类号
C21C5/46
主分类号
C21C5/46
代理机构
代理人
主权项
地址
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