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发明名称
Verfahren zur Herstellung von Hohlkoerpern in Dauerformen unter Verwendung ausschmelzbarer Metallkerne
摘要
申请公布号
DE537480(C)
申请公布日期
1931.11.04
申请号
DE1929F069683D
申请日期
1929.11.19
申请人
BRUNO FASSL
发明人
分类号
B22C7/02
主分类号
B22C7/02
代理机构
代理人
主权项
地址
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