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发明名称
Verfahren zum Herstellen von eisernen Schleudergussrohren
摘要
申请公布号
DE652695(C)
申请公布日期
1937.11.06
申请号
DE1933H138072D
申请日期
1933.11.12
申请人
MATSUJIRO HAMASUMI
发明人
分类号
B22D13/02
主分类号
B22D13/02
代理机构
代理人
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