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发明名称
Verfahren zur Herstellung lunkerfreier Gussstuecke aus Induktionsoefen
摘要
申请公布号
DE539358(C)
申请公布日期
1931.11.26
申请号
DE1928R076383D
申请日期
1928.11.25
申请人
HERAEUS-VACUUMSCHMELZE AKT.-GES.;DR. WILHELM ROHN
发明人
分类号
B22D27/02
主分类号
B22D27/02
代理机构
代理人
主权项
地址
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