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发明名称
Improvements relating to vacuum furnaces
摘要
申请公布号
GB831315(A)
申请公布日期
1960.03.30
申请号
GB19570039057
申请日期
1957.12.16
申请人
DORTMUND-HOERDER HUETTENUNION AKTIENGESELLSCHAFT
发明人
分类号
C21C7/10
主分类号
C21C7/10
代理机构
代理人
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地址
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