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发明名称
Gluehmuffel
摘要
申请公布号
DE534623(C)
申请公布日期
1931.09.30
申请号
DE1927H111300D
申请日期
1927.05.07
申请人
HERAEUS-VACUUMSCHMELZE AKT.-GES.
发明人
分类号
C21D9/00
主分类号
C21D9/00
代理机构
代理人
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